Flat Milk

When the milk has been left out of the fridge for a prolonged period of time, so the milk is no longer cold and crisp.

"Can you put the milk back in the fridge, it's gone flat"

"Flat Milk is the worst"

by YaMother'sGash August 29, 2016

Flat Fat

When a really obese people loses a ton of weight in a short amount of time, making their appearance seem pinched or unnaturally small

Damn dude, John's wife lost 300 lbs in a week! What a flat fat!

by Ding_Dong_Long_Schlong December 12, 2016

flat yellow

The worlds greatest street ware clothing prodigy.

Fucking hell. You copped some Flat Yellow

by XavMcg July 25, 2020

Bristol flat

A pure Marijuana cigarette rolled then squashed flat to the roach with any heavy device close to hand compacting the Cannabis creating a perfect burn rate with no side burning.

"What are you doing....!"
"Don't worry I'm making a Bristol flat spliff"
"Wow that burns smooth, and no sideburn"
"I know..."

by ADDSTEAL February 8, 2013

flat monkey

It's a flat dick. It appears when you slam your nuts on a hard flat surface it's extremely painful but amusing to others.

Bro I got flat monkeyed the other day.

by Fluffybuddy69 April 2, 2017

Flat earth

1- The way you think about the shape of our planet after consuming nine different types of alcoholic drinks, smoking marijuana, sniffing cocaine and consuming other types of illegal drugs

2- A theory made by a bunch of grown-up kids (or just kids) who feel special for knowing "the true shape of the earth" while having no real evidence about it

Jimmy: The flat earth is real!
Tom: You're drunk Jimmy, go back home and take a long rest
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Jimmy: The flat earth is real!
Tom: Alright Jimmy, but have you finished your homework?
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Jimmy: The flat earth is real!
Tom: Jimmy, you're 34, what the fuck

by YourLocalSpaniard March 14, 2023

flat woman

A female who has no tits or ass. Usually this is seen as a bad thing, but some may like flat women. Preference is subjective, after all.

She is such a flat woman

by AlgoMarblerYT September 16, 2023