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blow

1. verb To leave, usually hastily. The train is coming soon—time to blow.
2. verb To squander, spoil, or ruin something. I can't believe you didn't go to the job interview. Why would you blow such a big opportunity? Oh man, I definitely blew it with Gabi this time—I said some horrible things to her.
3. verb To spend one's money excessively or irresponsibly. I can't believe I blew so much money at the mall today. At least I get paid next week.
4. verb To react furiously and/or violently to something or someone, to the point of losing control of one's behavior. Mom totally blew when I told her I had failed math. Don't blow, it's just a tiny scratch on the car.
5. verb To play a musical instrument, typically a wind instrument. I heard Al blows a mean sax.
6. verb, slang To take a drug by snorting it. Those two must have blown in the bathroom because they definitely seem high now.
7. verb, slang To smoke marijuana. Jim reeks of weed, so he must have been blowing earlier.
8. verb, slang To perform oral sex on a male. Ew, I can't believe he thought you would blow him on your first date!
9. noun A problem, challenge, or setback. After losing the lead in the division, the team suffered another blow when their best player got injured in practice.
10. noun A big, elaborate party, typically marked by the consumption of alcohol. Man, I am so hung-over today—that was quite a blow last night.
11. noun, slang Cocaine. Hey, got any blow? I'm looking for a good time tonight.

puff and blow

1. To breathe very heavily or laboriously. Running to catch the bus has left me puffing and blowing. You really should quit smoking—look at how you're puffing and blowing after a single flight of stairs!
2. To be blusterously angry or make disgruntled, empty threats. The boss likes to puff and blow when things don't go right, but don't pay too much attention to him. My parents puffed and blew when I told them I was dropping out, but in the end they came to respect my decision.
See also: and, blow, puff

blow something

Sl. to ruin or waste something. I had a chance to do it, but I blew it. He blew the whole five dollars on candy.

blown (up)

Sl. intoxicated. I guess I'm a little too blown up to drive.

blow

1. tv. & in. to leave (someplace) in a hurry. (see also blow town, blow the joint.) It’s late. I gotta blow.
2. tv. to ruin something; to ruin an opportunity. It was my last chance, and I blew it.
3. n. a setback; an attack. Acme Systems Industries suffered a blow to its plans to acquire ABC Steel Widgets.
4. tv. to waste money; to spend money. Mary blew forty bucks on a secondhand radio.
5. in. to become very angry; to lose one’s temper. (see also blow a fuse.) Finally I had had enough, and I blew.
6. in. to play a musical instrument, not necessarily a wind instrument. He blows, and everybody listens.
7. and blow-out n. a drinking party. What a blow over at Joe’s. I’ll never get sober. We blew out of the blow-out at about midnight.
8. tv. to snort any powdered drug; to take snuff. (Drugs.) Those guys spend all their time blowing coke.
9. in. to smoke marijuana. (Drugs.) He sits there blowing by the hour. How can he afford it?
10. n. cocaine. (Drugs.) You can get some good blow over at that crack house.
11. tv. to perform an act of oral sex on someone, especially males. (Usually objectionable.) Tom was looking for some bone addict who would blow him for nothing.

blown

verb

blown

verb

blown

verb

blow

/break open
To get a sudden, insurmountable lead in (an athletic contest).

blow

/toot (one's) own horn Informal
To brag or boast about oneself.

blow (one's)

top/stack Informal
To lose one's temper.
See:
References in periodicals archive ?
The researchers replaced part of the HFC-134a and part of the water with TDCE so that the molar blowing ratios of HFC-134a/TDCE/C[O.
The blowing process begins with discharge of air from an accumulator that chokes where the air enters the magazine.
Session L on "Appliance" will cover processing, formulations and additives of foams blown with non-ozone-depleting blowing agents such as HFCs and hydrocarbons.
Foamazol chemical blowing agents for use in most application such as structural foam, wire and cable, profile and sheet, blown and extruded films, blow molded containers, injection molding, and PP ribbon extrusion.
Alternative blowing agent issues are said to dominate the discussion in the rigid foam construction market.
run is made in which the curing and blowing reactions are completed.
The Multi-Matic integrates three machines into one by spraying insulation into the wall cavity, recovering excess material and returning it to the hopper where it is metered into new fiber for blowing.
Showing its internal air-cooling systems for blow molding, which circulate chilled air inside the part immediately after blowing.
The conversion to blowing agents with zero ozone-depletion potential (ODP) is now accomplished in nearly all the major rigid foam sectors, most of which had relied on HCFC-141b as the leading first-generation replacement for now-banned CFCs.
Hydrocerol chemical blowing agents and nucleating agent masterbatches used for foaming most all commonly used thermoplastic resins and blends.
That method vied with processes developed by Hercules and Bekum for blowing bottles from a continuously extruded tube.
The new edition covers the basics of process technology, looks at the latest developments in chemistry, and includes advances in critical regulatory areas like blowing agents, combustibility, and solid-waste disposal.
Blowing a profile against a mold reportedly thins the walls in the ridges, exactly where more material is needed.
The preform has to be thick enough to maintain the extra heat needed for blowing out the bottle to the necessary depth.
As the polyurethane foam industry converts to "cleaner" blowing agents required by environmental regulations, the focus is on minimizing cost and maximizing performance in areas such as mechanical properties, flammability, and thermal insulation value.