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1.
1. the causative effect of urinatingdirectly after orgasm.

2. the causative effect of urinating during orgasm

3. matrimony of urine and sperm
"Did you just jizz wizz in my roast beef??"
by Candy Muffinbaker October 14, 2006
 
2.
When a male or female urinates after sex. Males will often notice a minuscule amount of sperm at the beginning of urination. Women will note a lot if on birth control or trying to conceive.
Dude, me and my gf had to Jizz Wizz last night. I hit it so good and she's on birth control so I just let it go, know what I mean? I jizz wizzed and she pretty much just pissed out my jizz, what a night I tell ya.
by The JJACKS! January 26, 2011