Top Definition
Meaning that you have an erection at the present time or talking about one in the past. The 'Shtonk' being the erection an the 'on' meaning you have it, so a Shtonk off would of course mean you dont have one.
Did you see ben? he had a huge shtonk on over dave, what a gay!
by DaveMorgan April 21, 2007

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