Top Definition
Pronounced: gill-ska

(Adj) nasty, slimy, or greasy

Mike: "Did you see that ugly girl at the end of the bar?"

Charles: "Yeah, she's totally gilsk!"
by Jared+Justin+Adam February 06, 2009
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.