onani 

Booru-like anime site named after the Japanese word with the same name which means "masturbation"

Straight Guy: Hey man are you on onani.xyz?
Homosexual Guy: Nah! onani.gay works better.

onani by dirt 💖 May 7, 2022

onanist 

One who masturbates frequently

Damn Dave! Ur such an onanist!

onanist by the fuzzy kitten next door April 7, 2005

Somn-Onanist 

One who masturbates while sleeping.

Robert: Why were you sleeping on the couch

Roy: Dude, your a Somn-onanist, it was nasty

Robert: NO WAY

Roy: Control yourself next time you have a fucking sleepover

Somn-Onanist by Paige Stringer May 21, 2008

Onanism 

Colloquially it is a synonym, but technically the "Sin of Onan" for which it is named for is actually an instance of coitus interruptus.

"Onanism -- it's a hands-on job"

-Ghost, ENTER THE MATRIX

Onanism by Jay Jay Ron March 20, 2008

onani 

Japanese way of saying masturbation.

Josh: Man I'm so stressed.
Elucid: Go do some onani.

onani by EnlarqueIl EnGrotesque December 5, 2007

onanism 

to wank,
to tame the one eyed monster,
to make the cyclops cry,
man's favourite outlet,
a date with mrs palm and her five
lovely daugters,
toss yourself off,
etc etc

"now on the subject of onanism...we dont want to find you hunched double on the sofa bed pumping your fist" (league of gentlemen)

onanism by pinkpill December 1, 2004

conversational onanist 

A term for a person who talks to themself.

My husband has told me on numerous occasions that I am a most talented and prodigious conversational onanist.

conversational onanist by Dr Bunnygirl June 12, 2020