portajacker 

n.- A person who masturbates inside a portable toilet, usually on construction sites.

That dude spends like 30 minutes in the port-a-crapper, I swear he's a portajacker.

portajacker by GumpIsrael April 26, 2017

pornjacker 

Anything - an image, movie, story, or experience - so stimulating that it replaces the very function of porn itself.

"So she shows her tits, right?"
"Anything, dude. It's a total pornjacker!"

pornjacker by scruffybird November 25, 2007

Portajerker

A person that constantly jerks off inside of porta potties.

Them boys Xavier and Kai are some portajerkers!

Portajerker by Greasy-Booth March 31, 2026