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(v): To masturbate in university buildings.
"Did you just visser in the 1000 seat auditorium?"
"Yes, yes I did"
by coke1221 October 05, 2011
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2
Dutch word for any man with an underdeveloped penis who doesn't shower frequently enough.
Susan, how did your date go?

Horribly! The guy seemed OK, but then when we went back to his place, he turned out to be a visser!
by Zaphod Beeblebrox III February 02, 2010
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