a phrase commonly used by white people trying to sound black. they will typically use outdated black terms along with this phrase hoping to impress their cool half black but really white/mexican "friends". the usage of this term will most likely result with the violator shanked or beaten. or screaming teeheenaynaysha. 
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Tiffany: yo, bitches, what up? 
Jennifer: omg. shut up Tiffany before you get yo ass beaten!
Tiffany: there be a fat cow mutha fucka up in yo ass.
Jequarius: bitch, whachu say?
Tiffany: TEEHEENAYNAYSHA!!!!!!
Jennifer: omg. shut up Tiffany before you get yo ass beaten!
Tiffany: there be a fat cow mutha fucka up in yo ass.
Jequarius: bitch, whachu say?
Tiffany: TEEHEENAYNAYSHA!!!!!!
by thecool3stcrack3rs March 18, 2009
 Get the fat cow mutha fucka up in yo assmug.
Get the fat cow mutha fucka up in yo assmug. by goofysillymonkey April 15, 2024
 Get the Brotha fuckamug.
Get the Brotha fuckamug. "He's so fuckas"
"Oh, fuckas"
"Oh, fuckas"
by Swift (f66ris on ig) December 22, 2023
 Get the Fuckasmug.
Get the Fuckasmug. by Swift (f66ris on ig) December 26, 2023
 Get the fuckasmug.
Get the fuckasmug. Typically slang for the word 'Mother Fucker', it is usually said by people from the pacific islands.
by PornXD September 23, 2018
 Get the Mutha Fuckamug.
Get the Mutha Fuckamug. when u really mad at someone(normally a girl) and you and yo friends all mad. you just say "man fucka ho"
by m0bamba_lover_69 January 1, 2019
 Get the fucka homug.
Get the fucka homug. 