Flat asshole

Your buttcheeks are so spread apart that your ass hole flat

Brittian you have a flat asshole

by Magsw13 February 14, 2019

Flat face

A person with a face so flat you wonder if they have their face on their desk all day

"Did you see that fella with the flat face over there?" "Yeah man he looks messed up"

by Sudbes June 30, 2023

flat as paper

When a girl has no boobs and is the same chest shape as paper
__________________________(girl)
__________________________(Paper)

Have you seen that girl Jamie's she's legit flat as paper

by I'm poppy January 06, 2018

flat universer

a physicist who thinks the universe has zero curvature based on measurements of the observable portion of it, and who does not understand the concept of local flatness of a topological manifold

Yo, that physicist thinks he has ruled out spherical and hyperbolic models for space. There goes another flat universer.

by Dr Q July 26, 2024

flat leaver

Someone who leaves another person in a partnership because they got done with the task first.

"Joeh you are a flat leaver!!"

by Raymond Carlson February 15, 2017

Rascal Flat

Giving one a a burn in the middle of the forehead with a black and mild cigar, then proceeding to beat them with a sock filled with rolls of quarters

I'm gonna give Tony a rascal flat if he doesnt stop.

by Oooofta October 20, 2020

Michigan Flat Tire

When a female/male is riding their partners face, and on orgasm they defecate on their partner's forehead and flatten it with their ass cheeks.

Marry was riding my face so hard and gave me the largest Michigan Flat Tire that I'm still trying to wash it out of my bangs.

by Delaware Seagull Shake May 17, 2022