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

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Flat Fart

A fart that is at the same level of noice the whole time

That dog just had a flat fart

by Iggy star September 13, 2017

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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

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flat earther

Someone thats is stupid and is surviving on one singular braincell,preferably a boomer or someone that dropped out of school and failed every single science test.

That dude standing over there is a flat earther,take out your guns,henry,wake him up

by anonymous August 2, 2022

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Ikea Flat

The instance when a person who doesn't mean to be a dick becomes a bonafide dick.

You're acting like an ikea flat.

by specialtiesguru March 25, 2013

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The passive aggressive look you get from your wife when you haven’t done something or, asked for sex. It’s characterised by a straight mouth, with mildly pursed lips, a raised yet furrowed brow, and rarely any verbal communication.

Oh man, she’s given me the flat smile. I’m cooked.

by Poot Rancid November 4, 2023

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