look up any word, like blumpkin:
 
1.
two simple words you say when you don't have an answer to the really awkward thing your friend just said. And then they go WAAAATTT ITS TRUE.... and then you reply with the same answer "umm ok"
*In a crowded place that just got quiet*
Friend: DUDE I GOTTA FART!!

You: umm ok?! 0.o

Friend: NAH MAN FOR REAL!!

You: umm ok?! 0.o
by urban_queen January 09, 2012
 
2.
Literally means "your mum" in Arabic
Ummok fi kus kabir (Your mum has a large vagina)
by Shredder March 07, 2004