lasterbating 

Masterbating so much that your dick falls off and that is your last time masterbating because your dick fell off

Jim: hey what were you doing last night?
Me: I was lasterbating.
Jim: Dude, your dick fell off?
Me: Yep.

lasterbating by Vagina McNuggets September 23, 2012

Glastobating 

Discussing, Talking about, conversing regarding the Glastonbury Festival at the expense of all other subjects

Sorry I can not talk now I am Glastobating with the people I met this year.
Or
Sorry Love I can’t fix the Leak as I am Glastobating on Facebook

Glastobating by Peter Strudwick August 7, 2008

plasterbating 

The act of masturbating after a night (or day) of severe drinking.

dude a: Got so wasted last night, went back to my place, got to plasterbating promptly.

dude b: Did your girlfriend watch again?

plasterbating by hammerbeard September 13, 2011

Glassturbating

The act of stroking your glass in a masturbatory fashion, often done subconciously. Can be done with a mug, cup or tankard also.

"Dude, stop glassturbating, it's making me uncomfortable!"

"Sorry buddy, didn't even realise."

"...You're doing it again!"

Glassturbating by Jawful October 25, 2011

Gasturbating

The act of completely dousing one's penis with gasoline and masturbating.

Since Jimmy's dad was a car mechanic, he naturally enjoys gasturbating

Gasturbating by BAMFMASTA M December 5, 2010

Glassturbating

The act of masturbating with the aid of porn viewed on Google Glass, either in private or in public.

Man 1: Hey, you see that guy over there?
Man 2: The one wearing Google Glass with his hands in his pants?
Man 1: Totally Glassturbating right now.

Glassturbating by Sunshine n' Roses April 28, 2013

Blasterbating

Furiously masturbating, red-faced, sweating, and often with both hands.

Roger: Man, my cock is sore this morning.
Jerry: Were you masturbating again last night?
Roger: Bro, I wasn't just masturbating, I was blasterbating.
Jerry: Sweet Jesus.

Blasterbating by Cyril Figgis April 13, 2014