buttrubate

(verb) Mastrubating your own butthole.

Person 1: 'Do you prefer anal sex?'
Person 2: 'No, I still like buttrubate myself.'

buttrubate by BECTZN March 1, 2016

butterbate 

to masturbate in your butt hole

So they...butterbate? You know like masturbate but in your ass hole so butterbate?

butterbate by mhmmsookiesookielovesticka November 14, 2010

buttbate 

The act of violently shoving your thumb into your asshole and shitting as you do it, this is usually done for sexual pleasure. (Male or female)

Me: Dude, I just buttbated, it was amazing.
Billy: Does your thumb stink?
Me: (Sniffs thumb) FUCK YES! There's fucking shit all over my hand! I forgot to clean up I guess...

buttbate by DeuceCracka January 22, 2014