Masturbatathon

When a group of people go hours on end masturbating.

The annual Masturbatathon is a charity event.

by masturbatathoneer! August 10, 2012

masturbatathon

n. to spend hours upon hours masturbating

"dude, what'd you do last night?"
"nothing, man. i sat on the couch all night and had a masturbatathon."

by SelenaG October 12, 2007