- tank
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1. AND tank up in. to drink too much beer; to drink to excess.□ The two broth- rs were tanking up and didn’t hear me come in.□ Let’s go out this Friday and tank awhile.2. n. a drunkard. (Usually tank-up.)□ You’re turning into a real tank, Harry.□ Who’s the tank-up carrying the thermos of whiskey?3. n. a jail cell for holding drunks.□ Maybe a night in the tank would give you a chance to think about being a full-time drunk.□ One night in the tank was enough to make John take the pledge.4. tv. & in. to lose a game deliberately.□ Wilbur would never tank.□ The manager got wind of a plan to tank Friday’s game.5. in. for something to fail.□ The entire stock market tanked on Friday.□ My investments did not tank when the market collapsed.
Dictionary of American slang and colloquial expressions. 2015.