The act of multiple men sodomising eachother in a human train. Just before ejaculating each one pulls out and blows their load all over the back of the guy in front shouting "twenty-one !"
Damien the sick fuck went out and played backjack with 5 guys he met at a gay bar.
29๐ 15๐
the art of bending the penis through the back of the legs for a handjob
she said she was gonna show me something ive never seen before so she pulled my pp through my legs and gave me a backjack
1๐ 5๐
The act of laying on your back watching netflix while jacking off AKA Backjacking
Cody enjoys backjacking to american dad on netflix.
Verb
1. The act of rubbing ones self to ejaculation within the rolls of their partners back fat. Similar to a reverse titty fuck.
"I brought some fat broad home from the bar last night. I couldn't find her vagina, so we started backjacking instead."
3๐ 1๐
The act of traveling across country, sperm bank to sperm bank, funding your travels with your ejaculate
My friend and I went backjacking across North America on summer break
3๐ 1๐
Verb.
the act of paying someone back in cigarettes for a cigarette bummed earlier.
catherine: hey john, can i bum a cigarette?
john: sure, as long as you backjack me
7๐ 7๐
A form of masturbation where you slide your hand down your dick with your hand backwards, forefinger and thumb touching eachother. Your thumb should be facing in twards your balls and your pinky out twards the head.
Painting a face on your hand is optional.
"Sometimes I rub one out backjack style to shake things up a bit."
5๐ 7๐