gorilla wash 

The act of squatting in the shower and splashing water on your nuts like a gorilla to get rid of leftover soap suds on your sack.

I had to do a gorilla wash on my nuts before all the water went down the drain.

gorilla wash by deathfordough June 10, 2011

Gorilla Face Wash 

When you are ready to blow your load in your girl and she wants it on her face instead, you get upset because you were just about to cum inside her.

"I'm about to cum"
"Oh yeah baby, give me a gorilla face wash"

Gorilla Face Wash by Wutthehill July 23, 2017

Gorilla in the washing machine. 

cunnilingus: oral stimulation of the vulva or clitoris

My favorite euphemism for cunnilingus is 'gorilla in the washing machine.'

Gorilla in the washing machine. by chernobylspice December 11, 2003