Gallon of PCP is a refrence to the 2007 skit from "The Whitest Kids U' Know"
where 2 highschool buddies run into each other, Trevor and Zach, but Zach has a Gallon Of PCP.
Guy 1: "What do you have there?"

Guy 2: "A gallon of PCP."

Guy 1: "I didn't know it came in liquid form."
by Kekorcringe September 30, 2020
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When you go into a grocery store and grab two two gallon jugs of some sort of liquid. Then pretend to trip while either smashing the gallons to the ground, throwing it into the air, or a combination. Then when you try to get up pretend or actually slip in the liquid and continue to fall.

More fun then the Harlem shake
by Mcb2223 February 23, 2013
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An internet trend that revolves around going to a supermarket and smashing gallons of milk on the floor, pretending you dropped them by accident. Then you must pretend you slipped in the milk, to shock innocent bystanders. It is all usually filmed from a shopping cart, discretely. You get bonus points if you pretend to slip and slide in the milk when someone tries to help you up.
10 points = went gallon smashing
20 points = made a huge mess
30 points = pretended to slip over in milk
40 points = got a reaction out of a fellow shopper
50 points = pretend to be unable to stand up straight due to slippiness of milk on supermarket floor.
by swag_sawg December 22, 2013
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Female who becomes very appealing after consuming large quantities of alcohol i.e. 8 Pints/1 Gallon
Ooh! That's rough. A right gallon Girl. But after another 7 pints I'd have a stab at it.
by Matt Morris June 5, 2006
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Slang foor boobs, used when a woman has lots of breastmilk.
Dude, hey, did you see that lady over there?

Uh-huh

She had the biggest and busty milk gallons on the planet.
by Graham Owen December 31, 2007
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The gallon of cheap iced tea, usually Turkey Hill that black people and construction workers cart around with them due to its good taste at a cheap price, which lasts all day. Another variance is the ghetto half gallon, which some also carry with them.

Besides iced tea, some also carry Kool Aid, lemonade, and other cheap sugary drinks.
There's Tyrone with that ghetto gallon again, like every other day.

The construction worker had a ghetto gallon and was drinking it on the hot day.
by SOODO October 1, 2012
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