The act of ejaculating(jizzing) while urinating(whizzing) simultaneously.
1. As shy Stanley saw his beautiful big amazon bride show up in her wedding dress with her huge tits in prominence, he felt his entire reproductive system give way and he had to rush to the restroom to take a relieving jizz whiz, so he wouldn't embarrass himself in front of everybody.

2. As Vinnie sobered up and began to see that the hot bitch he was shagging was really a broke down swamp donkey, he knew that his last ditch act of retribution was to jizz whiz all over her face as soon as he pulled out.





Mark H. UD slang contributer since February 2004.
by Mark H April 17, 2005
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Urination following masturbation in which it feels as if you're ejaculating a second time.
Right after I came I hopped out of bed for the much anticipated post jizz whiz.
by WetWilly4 May 23, 2011
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That syrupy piss you take right after ejaculating.
Man, I just took a jizz whiz after pounding my lady.
by DJ Spigga 4 Lyfe July 7, 2012
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The act of going to the bathroom to relieve yourself (Pissing) right after the completion of intercourse or masturbation (Cumming), or both happening simultaneously by accident or with intent.
"After 50 minutes of thrusting and teasing, Jeff came all over his partner oozing them down. With some short breaths of relief, he waddled his way to the bathroom, took the toilet seat up, and proceed to release all the piss he had stored up in him. Jeff just did a Jizz Whizz."
by JTL07 June 11, 2023
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