flat caking

A non sexual act involving skin-to-skin contact of two or more taint areas. Contact must produce a smacking sound.

I enjoy long walks on the beach, day trading and flat caking with my boys.

by Vladimir Trickington December 21, 2017

Flat up

When a bubbly liquid, like soda, goes flat

"I hate buying 2L bottles of coke, they always flat up quickly"

by philcagitz July 29, 2024

Flat

What ur GF is

Bruh, my girl is Flat

by Saucetoe June 17, 2020

Flat Earther

Someone whose mother drank while pregnant, though it is also a possibility that they have suffered a blow to the head, causing mental retardation.

Person 1: Did you know that Jessica is a flat earther?
Person 2: Yeah, her mom should have never had that one sip...

by ranocchio May 5, 2023

Flat

An acronym for a woman lacking in breast size, used by usually men. Usually used as an insult.

It stands for,

Forever
Lacking
Any
Tits

Adam: Wow, look at Jessie! She looks nice today!
Jacob: Yeah, but she's pretty flat. Not much to work with.
Adam: You're such a dick, you know that?

by mr_onomatopoeia August 22, 2022

Lookin-flat

Guy with a small penis so that they have no noticeable bulge when wearing clothes.

Those jeans have him lookin-flat.

He has a cute face but lookin-flat

by Rabidchimichanga January 23, 2020

Flat asshole

Your buttcheeks are so spread apart that your ass hole flat

Brittian you have a flat asshole

by Magsw13 February 13, 2019