The sound made by an individual when they hear something but cannot quite believe it to be true, due to its shocking nature. It is a designed to sound inquisitive..like "what?" but also shocked like "ahhh!"
Brownie - I just received a very deep papercut to the tip of my penis
Matt - URK?!?!?!
Gurl numba 1: grrrrrrr i don't like ha
Gurl numba 2: why not? she's nice....
Gurl numba 1: she just urks me..something about her just annoys me
Gurl numba 2: OMD...lol ok