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1.
ur ma is a term used in northen irealand too slag someone off
aye ur ma was good last night
by neil dawson June 08, 2006
 
2.
the northern irish way of saying "yo momma", mostly used by spides in a fight
Stevie: aye ur ma
Johnny: wa mate?
by i lie pie July 04, 2006
 
3.
URMA is a Derogatory term which is used when slabbering at your opponents mother.although it can be used on its own, it still has the same affect as being used with a big sentence
URMA
hey, that cow looks like urma
by hagi May 16, 2006