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. 
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 The Hotifier June 30, 2018
Get the Àine F.mug. 
by Pie Thief May 13, 2022
Get the F/SNmug. by Erabeee June 7, 2020
Get the Fmug.