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To clear out or get away in haste before getting into or causing trouble, referring either to oneself or to another. "23" may refer to the Flatirons Building in New York City (located on 23rd Street), around which great winds tend to blow. It may also derive from an older use meaning to tell someone to clear out of one's way. Primarily heard in US. It looks like there's trouble brewing here. I'd better 23 skidoo! Quit loitering around here. 23 skidoo!
23 Skidoo Street
A fictitious location referring to a place away from possible or looming trouble, taken from the phrase "23 skidoo." Primarily heard in US. Those guys ahead look rough, let's head over to 23 Skidoo Street.
free, white, and twenty-one
antiquated Having the legal freedom to make one's own decisions in life, without being beholden to the influence of anyone else. The phrase arose from the time in the US when slavery was still prominent, and being white and twenty-one (the age of majority) meant that one was a free, and thus "full," citizen. Primarily heard in US, South Africa. Hell, I don't need your approval, or anyone else's, for that matter. I'm free, white, and twenty-one, so I'll do as I please!
See also: and
hindsight is (always) 20/20
It is easier to clearly reevaluate past actions or decisions than when they are being made or done; things are clearer or more obvious when they are reflected upon. A reference to the visual acuity of normal eyesight (20/20 vision). I can see now that having my brother as my legal counsel was unwise, but I guess hindsight is always 20/20. A: "I can't believe I was ever interested in such a self-absorbed jerk." B: "Don't blame yourself. Hindsight is 20/20, after all."
talk twenty to the dozen
To talk (to someone) very rapidly, hurriedly, and/or energetically. My aunt can get talking twenty to the dozen if you get her on a topic she's passionate about.
A very brief nap or a short sleep. When you have a baby for the first time, you are suddenly forced to learn how to operate on only twenty winks at a time. I'm going to go grab a quick twenty winks before everyone starts arriving for the dinner party.
Knowledge after the fact, as in With twenty-twenty hindsight, I wouldn't have bought these tickets. This idiom uses twenty-twenty in the optometrist's sense, that is, "indicating normal vision," and hindsight in the sense of "looking back" or "reconsidering." [First half of 1900s]
See also: hindsight
twenty-four, sevenand 24-7
mod. all the time, twenty-four hours a day, seven days a week. He’s always at home, 24-7!
See also: seven
twenty-twenty hindsightand 20/20 hindsight
n. an ability to figure out what one should have done after it is too late to do it. Everybody has twenty-twenty hindsight!
See also: hindsight