Flat Flex

When someone attempts to flex but it falls flat; not a single person is impressed.

Jeff was caught bragging about that one girl he kissed 4 years ago...OMG what a Flat Flex!

by ShortStackB January 25, 2020

Flat skin

When you have no penis just flat skin and two raisin bollocks.

Joshua Booth has flat skin.

by Jon Belvoir April 18, 2018

flat hed

A flat hed is someone which a huge fucking head and actually thinks that the earth is flat LMFAO

“OMG did you hear what that fucking big headed flat heds said”
“No what”
“He think the earth is flat”
“Phahahahahah”

“Fuck off”
“Flat hed”

by Stayout February 26, 2019

smackhead flats

Flats with a high concentration of smackheads, usually in Urban or Sub Urban areas. People who live in smackhead flats usually use their welfare money to purchase Heroin and maybe also Cocaine making them potential crackheads too.

Jim Lost his job, he could not pay his rent therefor he was evicted - he now lives in the smackhead flats in the local shithole.

by NahItsSad January 1, 2018

rising flat

An unfortunate instance where one either gives or detects flatulance in an elevator.

"Goddamn! Did you smell that rising flat dude left in the elevator? That was raunchy!"

by Alex and Neil April 6, 2009

Flat Earther

Someone who doesn't believe something if they see it right in front of them.

We sent a flat Earther into orbit, and he said he thinks the windows distorted the Earth to make it look round, so he wouldn't be able to trust his own vision.

by Dozenal>Decimal July 21, 2022

flat-line

When you take a fat L, and your body momentarily dies because of the pain.

"stay with us bro, don't flat-line"

by lowkeyimblack June 12, 2018