Someone who randomly squirts cum as they walk.
"Did you just see him flip me off? Man, he is such a jizz nizzer?"
by Jaz April 17, 2005
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Someone who is constantly rude to you; takes out their hostility on unsuspecting and unjust victims.
Bob: What's the issue between you and Derek?
Me: I don't know, that kid has some sort of a problem with me. He's a jizz nizzer, so it's really no big deal.
by IBetThisIsn'tTaken December 26, 2007
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