A phrase used to describe large buttocks which are of course big and juicy, but not necessarily round or protruding very far after the initial curve of the back or 'shelf' on larger people
'Bro you can see that girl's ass from the front it's crazy'
'Yeah she's gorgeous, her cheeks are f(l)at af!'
'Fym f(l)at af- oh damn they're like double thick pancakes hahaha'
'Yeah she's gorgeous, her cheeks are f(l)at af!'
'Fym f(l)at af- oh damn they're like double thick pancakes hahaha'
by Squirtyduck January 31, 2024
Get the F(l)atmug. by MAHBOY99 August 17, 2022
Get the Fmug. by Articulate Beast February 23, 2021
Get the F*cking Acesmug. 


