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 they will typically use outdated black terms along with this phrase hoping to impress their cool half black but really white/mexican "friends".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. 1. A profane insult thrown at those who express rudeness to an individual.
2. Someone who takes pleasure in eating excrement, and sucking a penis.
2. Someone who takes pleasure in eating excrement, and sucking a penis.
by H to the muthafuckin Azel January 10, 2004
Get the mutha fuckin shit eatin stupid dick sucking fuckermug. 
Phrase commonly used by angery negros.
Threat of death by instrument commonly tucked under nuts; pertains to no specific race; often used by white people who watch a lot of BET.
Threat of death by instrument commonly tucked under nuts; pertains to no specific race; often used by white people who watch a lot of BET.
by XshadowsX April 26, 2005
Get the Blang blang mutha fuaka I\'m bout to cap yo\' dumb punk bitch shit ass nigga!mug. by Revm7r February 27, 2003
Get the Mutha-sukkinmug. An unbreakable vowel, If said with no fingers crossed must be true or completed or else your the biggest itchbay alive.
Zack: “did you root that chick last night”
Harry: “Muthas I did”
Zack: “you can’t be lying then aye”
Harry: “Muthas I did”
Zack: “you can’t be lying then aye”
by Eshays2117 December 2, 2019
Get the Muthasmug. a real deal flockling or flock member. This person is as true to the flock as possible. They are always contributing to the flock culture.
she was a real mutha-flocker
by deadbirdsflock June 29, 2014
Get the mutha-flockermug.