the british form of "ur mom", a overused comeback that is funny if used as a joke or your kidding when u say it.
British Person: I fucked ur mum!
b_i_t_c_h678: i have sooo much homework.
this1person923: ur mom has so much homework! OH! BURN! WAT NOW!?!?!?!
b_i_t_c_h678: wtf lol
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