Shizzing 

The act of shitting & ejaculating at the same time.

When Jack goes to the washroom and just needs to poop, you can always guarantee he will be shizzing.

Shizzing by The Gillz January 3, 2019

shizzing 

The combination of shitting and pissing out of your anus. Often occurs after mexican food and/or a night of heavy drinking

I ate so many damn tacos and drank so much corona last night, that everybody in the office today heard me shizzing on the toilet

shizzing by Fat Bastard August 7, 2002

Shizzing 

When a male experiences overwhelming nervousness and arousal causing him to void his bowels and ejaculate simultaneously.

When a male (usually a nerd) is attempting to have a conversation with an attractive female and becomes so nervous and aroused that he begins shizzing.

Shizzing by Nibs McGee May 10, 2011

shizzling the nizzle 

Masturbatory term.

See also:
stroking the sausage
slapping the meat
petting the weasel
spanking the monkey
flogging the dolphin
tickling the pickle
whacking the mole
playing the skin flute
cream-filling the donut

"I can't stand to see him shizzling the nizzle."

shizzling the nizzle by Dean May 13, 2005

Shizzling Bruv

Excellent my good friend, please invite me to continue this smashing conversation. I enjoy your company in a completely legitamate and non-homosexual fasion.

"Son, nah how the shit be thee?"
"I be shizzling bruv."
"Man, now I got your back dog."
"Y'Shittin' me son?!"

Shizzling Bruv by jkedn May 6, 2005

Spizzing 

The act of placing your hand under your erected penis and pretending to shoot a web like spiderman while ejaculating.

Yesterday i was fornicating with my friend's mother and i began Spizzing on her face to cap off the wonderful love making session.

Spizzing by Hutch69 January 22, 2014

Scizzing

A form of jizzing at a much higher rate of speed. Speed jizzing. Where an individual can get off while running or just sitting and vigorously stimulating themselves as much as possible.

"Did you see that guy wearing that bag over his head? He was totally scizzing down the hallway."

Scizzing by Nolegged Mexican Jumping Bean January 17, 2010