Jankerbating 

Going into a port-a-potty in 100+ Degree weather and trying to rub one out while smelling festering shit inside.

soldier one "Yo, that port-a-potty is like a sauna"

Soldier two "I bet, its 120 degrees out here"

Soldier one "Yeah, that thing was perfect for Jankerbating."

Jankerbating by Chi-boy May 21, 2013

Jackerbating 

Hardcore, wrist tiring, cock swelling jacking off to the extreme.

Hey man, sorry I can't go out tonight. Why? Well, I can't walk... well it's because I've been jackerbating since Tuesday and my cock is chaffed and balls are swollen.

Jackerbating by KILLRHEDAKE November 24, 2009

Jackturbating 

The Act of Jacking off while saying you're masturbating while mistaking it for fapturbating, which means you are jackturbating.

Simon was Jackturbating to Haylee Williams voice in Airplanes 1 & 2.

Dude I just jackturbated all over the Palringo Chat.

I don't masturbate.....I jackturbate!!!!

Jackturbating by AproSamurai June 21, 2010

jackerbating 

The act of masturbating to Jack Bauer

Yesterday I walked in on my roommate jackerbating on the couch again

jackerbating by teenwolf&wolverine February 20, 2011

jackerbating 

to ejecaulate with lots of emotion and hardness; to masturbate with lots of force

Brandon Penton was jackerbating with his friend Owen Strassner; and Brandon Penton jizzed on Owen's cabinents.

jackerbating by Brazzzerss May 23, 2010