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1.
Shut the taco hole, cap the flap trap, close your big mouth and be quiet.
Yo, I iz gonna kick da shit outta yo skank ass if ya don't shutcho mouf.
by darkfyre May 05, 2005
 
2.
Contraction for shut your, or shut yo.
A: Yo I heard you suck nuts.
B: Shutcho b'chass up.
by 2v December 05, 2005