1 definition by YerMawsThriller

A comeback mostly for Scottish people usually meaning "I had sexual intercourse with your mother"
Billy: No bad mate no bad
Gary: No Bad!?! Neithers yer maw!

Danny: That Party wis a beast last night mate!
Craig: Aye yer maws a ride...oh ryt you mean the disco :P
by YerMawsThriller June 21, 2007
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