Flat bike

When you have sex with someone and you are flaccid.

Want me to give you a flat bike?

by misty578 January 23, 2016

Flat tire

When a chubby person farts.

chubby person farts Dang! You need me to call roadside assistance?!? Sounds like you just got a flat tire!

by FDubs January 5, 2025

Make Everest flat

Making something very complex very simple

I need you to make Everest flat as a don't understand what your are saying to me

by Ellis911 September 9, 2016

Mars Flat

A word to describe one of your friend being flat without them knowing.

“Hey have you seen Mike MARS FLAT”
Haha yeah “MARS FLAT”

by Dr Scientist Joy Knea Man April 28, 2021

flat

mya byrne

mya byrne is flat as fuck

by oh hey there :) June 12, 2020

flat

Used by people to define a girl's ass

Damn she flat

by anowachutinkinaba December 11, 2022

Flat-headed blonde

A Flat Headed Blonde allows a place to put your beer as she is providing a service to you!

Thank goodness my partner is a flat-headed blonde.

by Dumb Boomer November 25, 2025