portabella 

A street name for shrooms. Northen California origin.

Hook me up with that portabella G.

portabella by barry white September 26, 2003

portabella mushroom 

When a guy presses his cock on a mirror and says "I want to be a steak", this is a portabella mushroom

Boink...."ewww....I wanna be a steak"

portabella mushroom by slutties_chix_on_met April 24, 2005

portabella mushroom 

the foreskin of a penis flarign out wide to make the penis resemble a mushroom

that chick made me flare up like a portabella mushroom all day

portabella mushroom by james howlett March 23, 2004

Portabella Butt Squeeze

Squeezing a phat ass in order to control stress

Man, today was a total shit show. I'd like to give Serena a portabella Butt Squeeze.

Portabella Butt Squeeze by Mranderson80298 August 16, 2021

Portobello belt 

A succulent fungus that straps on to the pelvis bone and acts as a shaft

Jerrys rule of thumb when the genitals aren’t cooperating he busts out the portobello belt to show all the swollen members competition is steep

Portobello belt by Roobeer September 22, 2020

portabelly 

A protruding lower potbelly that hangs over your belt-line. Used to store the excess food that no human could possibly hold in their actual stomach.

Sam-"Theres no way he could eat six Double Deckers in one sitting!"

Tom-"He is probably holding three of them in his portabelly."

portabelly by Mr.Dr.PHD. July 12, 2011

Old Spice Portobello 

When you grease up your ballsack with deodorant and smack it on someones car. Deodorant is best used for the greasy sack stamp thats left behind.

“Man that guy pissed me off”
“Well what you going to do about it Tim?”
“im gonna grease up my ballsack and smack my old spice portobello grease stamp on his fucking car!”

Old Spice Portobello by W33DMAN420 January 21, 2019