Top Definition
Ulk
An easier more efficient way to say throw up.
Means vomit or discusting.
Taylor: Did you see Veronica's new default on Myspace?

Kelsey: Yeah it was discusting! Makes me want to die inside.

Taylor: I know ULK ULK ULK
#ulk #vomit #discusted #gross #dying.
by Cameron Marsenol January 30, 2010
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