Bathsturbating 

The act of masturbating while in the bathtub.

"Dude, did you see that video that was leaked of Brittney Spears bathsturbating?"
"Yeah, dude, that was revolting!"

Bathsturbating by Thatonedefiniitionguy November 27, 2016

bathsterbating 

When instead of jacking off in the toilet or in your room you jack off in the tub but ass naked

Garrett was jacking off in the tub and his sister Alex walks in and asks Garrett what are you doing? He simply says I'm taking a shit but really he was "bathsterbating"

bathsterbating by Garrett6969 January 22, 2014

Backsturbating 

Rubbing your back against something to stop an itch.

Attendees of the meeting found Joe's backsturbating distracting.

Backsturbating by IDtenT September 12, 2014

Bathturbating

Because saying "masturbate in the bath" is just too damn long :.P

Sally: "Ah, there's no better way to relax before bed than putting on some soft music, a little scented candles and a little bathturbating."

Jane: "You really need to get laid more."

Bathturbating by CactusHeart December 30, 2011

batsturbating 

1.) The act of masturbating while hanging upside down. Ideally batsturbating is performed in a dark basement or cellar. Often batsturbating is accompanied by clicks used for the purpose of echolocation.

2.) The word used when one is binge watching the Christopher Nolan Batman movies.

"Have you tried batsturbating? It's a real headrush."

"I'd watch the new DC comics Batman movies starring Ben Affleck, but I'm going to be busy batsturbating."

batsturbating by [e-mail] February 18, 2018

Backsturbating 

When you itch your back with a backscratcher and moaning

"I find it really disturbing when my dad starts backsturbating in front of me in the living room."

Backsturbating by ThatIdiot June 15, 2018