(redirected from yellowness)
Also found in: Dictionary, Thesaurus, Medical, Encyclopedia.

be yellow

To be cowardly. I'm not surprised that Tom didn't come to the rally—he's too yellow to defend his beliefs in public.
See also: yellow

code yellow

slang Accidental urination somewhere other than a toilet. Can you call the janitor? There's been a code yellow in this hospital room.
See also: code, yellow

don't eat (the) yellow snow

humorous A warning against eating snow that has been urinated on (and thus is yellow, not white). OK, fine, you kids can go play outside—but don't eat yellow snow!
See also: eat, snow, yellow

have a yellow belly

To tend to act in a cowardly manner. Of course Tom didn't come and defend his views at the rally—he has a yellow belly!
See also: belly, have, yellow

have a yellow streak down (one's) back

To have a tendency to be cowardly or easily frightened. She likes to strut around like she's the boss of the place, but she has a yellow streak down her back if you ever confront her on an issue. He knew what they were doing was wrong, but he has a yellow streak down his back that kept him from intervening.
See also: back, down, have, streak, yellow

If it's yellow, let it mellow. (If it's brown, flush it down.)

If there is only urine in the toilet, do not flush it. (But if there is feces in it, then do flush.) A common mnemonic used as a way to reduce water usage in places with indoor plumbing. We have a pretty restricted water supply out here, so always remember—if it's yellow, let it mellow. If it's brown, flush it down. Due to the drought, households and businesses around the state are being encouraged to adopt an "if it's yellow, let it mellow" policy.
See also: flush, if, let

mellow yellow

1. slang A nickname for the psychedelic drug lysergic acid diethylamide (LSD). I had a real bad trip on mellow yellow last time—I'll never do drugs again.
2. slang Dried banana peel fibers for smoking. (Smoking them was thought to produce effects similar to LSD). At first, I thought my parents were telling me that they dropped acid back in the day when they mentioned mellow yellow, but now I know they were talking about some weird thing involving banana peels.
See also: mellow, yellow

yellow brick road

A path believed to lead to success or adventure. A reference to the path of the same name in the fictional land of Oz, popularized by the film The Wizard of Oz, based on the works of L. Frank Baum. Jenna took the internship thinking that it would be the yellow brick road to her dream job.
See also: brick, road, yellow

yellow cake

1. A spongy cake that is yellow in color, due to the use of egg yolks. It is often frosted and served at birthday parties. Do we have any yellow cake mix? I think I want a yellow cake for my birthday—I'm not in the mood for chocolate right now.
2. Uranium oxide powder that is produced by the milling of uranium ore. Often spelled as one word. Yellowcake can be used in the making of nuclear weapons, so its trade is heavily scrutinized.
See also: cake, yellow

yellow dog

A despicable person or thing. I can't believe you get so invested in these debates—all politicians are yellow dogs that can't be trusted.
See also: dog, yellow

yellow grease

Used cooking oil, often in the fast food industry. A: "What are those huge containers for?" B: "Oh, I think they hold the restaurant's yellow grease."
See also: grease, yellow

yellow journalism

Sensationalistic journalism with the main goal of attracting attention and readers, rather than presenting an unbiased account of the news. It may have begun at the turn of the century, but yellow journalism is alive and well, from the supermarket tabloids to all the talking heads on cable news.
See also: yellow

yellow light

An indication to slow down, likened to a yellow traffic light, which means slow down, proceed with caution, or prepare to stop. I would not ask her out yet, dude—she was totally giving you the yellow light. Sally took the comments from her teacher as a yellow light not to push for extra credit just yet.
See also: light, yellow

yellow press

Journalism with the primary aim of sparking reader interest—reporting the facts are secondary. I can't believe you read those tabloids—they're just yellow press stuffed with ads.
See also: press, yellow

yellow state

A US state strongly influenced by the Libertarian Party. This will never be a yellow state—the Libertarians are just not as entrenched here as the Democrats and Republicans.
See also: state, yellow

yellow streak

A tendency to be cowardly or easily frightened. She likes to strut around like she's the boss of the place, but she has a yellow streak running down her spine if you ever confront her on an issue. He knew what they were doing was wrong, but his yellow streak kept him from intervening.
See also: streak, yellow


Cowardly. I'm not surprised that Tom didn't come to the rally—he's too yellow-bellied to defend his beliefs in public.

yellow-bellied chicken

An extremely cowardly person. Tom likes to think he's this champion of political causes, but he's too much of a yellow-bellied chicken to defend his beliefs in public.
See also: chicken


slang A spineless, cowardly person. Oh, don't be such a yellow-belly, Tom. You'll never get ahead in this industry if you're not willing to take risks! Nothing's going to change unless those yellow-bellies up in Washington are willing to stand up to the corporate lobbyists trying to pull the strings.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

have a yellow belly

 and have a yellow streak down one's back
Fig. to be cowardly. Tex has a yellow streak down his back a mile wide. He's afraid to cross the street!
See also: belly, have, yellow

yellow streak (down someone's back)

a tendency toward cowardice. Tim's got a yellow streak down his back a mile wide. Get rid of that yellow streak. Show some courage.
See also: streak, yellow
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

a ˈyellow streak

(disapproving) the quality of being easily frightened; cowardice: He won’t fight? I always thought he had a yellow streak in him.
Yellow is often used to describe somebody who is a coward.
See also: streak, yellow
Farlex Partner Idioms Dictionary © Farlex 2017

code yellow

a urinary accident. (Jocular word play based on a hospital’s PA announcements of various color codes.) Whoops. Code yellow. Change the sheets and the mattress.
See also: code, yellow

have a yellow streak down one’s back

tv. to be cowardly. (Have got can replace have.) wrong. If you have a yellow streak down your back, you don’t take many risks.
See also: back, down, have, streak, yellow


mod. cowardly. A: Mooshoo says you’re yellow. B: Wanna make something of it?


mod. cowardly. What yellow-bellied skunk ran off with my horse?


n. a coward. Tell the yellow-belly to come outside and say that.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
See also:
References in periodicals archive ?
Storage did not (p>0.05) affect the surface yellowness of LL and PM steaks.
The hybrid films with different Ti contents were characterized by various techniques, and their properties such as RI, optical transmittance, thermal stability, and yellowness index after thermal aging were investigated.
Shoulders unaged had a linear (P<0.05) increase in the results for lightness ([L.sup.*]) and yellowness ([b.sup.*]), with slopes of 0.0530 and 0.0356, respectively.
2A Hunterlab Tristimulus Colorimeter Model D25M-9 (Hunterlab Associates Laboratory, Inc., Reston, VA 22090) was used to obtain triplicate measurements of L, aL, and bL values where L = lightness, aL, = redness, and bL= yellowness. The colorimeter was standardized using a pink standard Number C2-6071 having an L value of 68.91, an aL value of 21.50, and a bL value of 10.75.
100[g.sup.-1]) 1.61 [+ or -] 0.03 Water Activity nd [L.sup.*] (Lightness) nd [a.sup.*] (Redness) nd [b.sup.*] (Yellowness) nd Firmness (Kgf) nd Treatments Evaluations BUA Moisture content (g 100[g.sup.-1]) 15.11 [+ or -] 0.13 a Protein (g 100[g.sup.-1]) 8.98 [+ or -] 0.70 a Lipid (g 100[g.sup.-1]) 8.72 [+ or -] 0.15 a Ash (g 100[g.sup.-1]) 2.00 [+ or -] 0.04 b Total Dietary Fiber (g 100[g.sup.-1]) 4.71 [+ or -] 0.38 ab Carbohydrate 60.48 [+ or -] 0.35 b Total Caloric Valuc ** (Kcal.
Increment in drying temperature caused increase in pH, ascorbic acid, luminosity and yellowness, and reduction in reducing sugars, moisture content, water activity, acidity, betacyanins, betaxanthins and redness.
With the mixture of rice's whiteness, egg's yellowness and the colours of copped carrots and zucchini, the spectacular mixture of various colours was definitely a special element in this plate.
The coatings generated higher lightness (L*), yellowness (b*) and lower redness (a*) values in the samples.
The yellowness index (YI) was used to quantify the total color change of a material.
While Mark Zuckerberg, somewhat chastened by recent criticism, has promised to stem the proliferation of fake news, the odds are substantial when there is economic incentives to pursue yellowness in write-ups.
Use of the additive is said to yield polypropylene bottles with improved optical properties, specifically better clarity, superb gloss both inside and outside, lower haze, a low yellowness index and an overall fresher look.
'The human eye perceives yellowness as dirty or hazy, while blue light is seen as cleaner and clearer," explains Prusak.
Substitution of the recycled materials for the virgin pigments has impacted the product performance by changing it from a Mid-Tier Matt performance to a Low-Tier Matt performance in terms of whiteness and yellowness. The point of interest that is highlighted by these results is that the effect on whiteness is more significant than the effect seen on the yellowness.