flathead

A term used to describe someone with few or no brains or common sense, resulting from repeated beating of one's head against the wall. An antiquated term from mid-20th century.

Little Joey runs out into the street.. in front of a careening ice-cream truck. Dad yells, "Joey! You flathead! Get out of the street!!"

by BlackKat65 June 23, 2010

big flat fatty

A fat girl who is flat chested; a fat chick who does not have big tits. An overweight girl with small boobs.

See also big fat flatty.

That poor fat chick has small tits. She's a big flat fatty.

by PMax April 13, 2008

Flat as a rock

This mean "on the downlow"

Yaro: Hey are you gay?
Lucas: Yeah but it is "flat as a rock"

by Scurvy McCheese May 27, 2011

Flat egg

A person whose personality resembles a hard boiled egg that has been peeled and then smushed.

"Ugh that girl has no personality!"
"Yeah, she's a real flat egg."

by CToso69 May 12, 2016

Flatbread

What a person is called when they think they have an ass, but they clearly don't.

She doesn't have an ass, she is a flatbread.

by llama.com January 13, 2018

Flat Earther

Someone who thinks earth is a disk; Another definition is a mentally challenged person

The Karen down the street is a flat earther

by Yeeterskertt January 5, 2021

getting flat

a state of laying horizontal due to an excess amount of drinking, movement ect. May entail vomiting and weight gain.

After a late night of drinking, all i could think about was getting flat at 262.

by Dr. Feel good 262 April 29, 2009