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2.
guk
Male ejaculate. Used in a girlfriend / boyfriend context when trying to avoid some of the more coarse definitions such as cum.
Honey - here's a tissue to wipe up your guk
by sanddevil April 22, 2007
 
1.
Guk
Tripping into flowerbeds or a person who trips people into flowerbeds
aaron had a Guk coz hes a gimp that wayy (Y)
OMG REISS YOUR SUCH A GUK
by BURNbabyBURNOWWWCH April 30, 2009
 
3.
guk
mayonaise based sauce served at canadian burger chain 'licks'

I'll get guk and ketchup on my burger.
by dweezil November 23, 2007