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 waffle

A females ass, as flat as a waffle with dimples all over, such as your girl.

Dylan: "wow your girl has such a flat waffle it's fucking nasty."

by Djsjakrwkaof March 14, 2017

flat four

A type of an engine configuration; there are four cylinders which are arranged in a flat opposing configuration. They're found in many different Subaru models (The Boxer Engine) and also found in classic VW Beetles.

Everyone panics & hides in their houses when it's snowing out, but not me, my world is flat; I grab my keys & head out to play in my flat four (4 banger)!

by Thorka June 20, 2016

Flat pedals

The type of pedal used by inferior cyclists that think there cool but in reality are much slower and are afraid of being attached to their bike because they suck

"Flat pedals win medals"
"make sure you never ask me to ride with you again"

by Supreme Boi February 6, 2017

Flatting out

To ‘flat out’ is to become so bowled over by a car’s looks, abilities, noise or general awesomeness that nothing short of passing out next to it can convey your feelings for said automobile.

Flatting Out

by crank&piston December 26, 2011

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 smile

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