slow jack 

To masturbate at a reduced pace. Sometimes performed for hours at a time.

"Yo man, slow jacking has so many benefits. Why just the other day I was cooking while I jacked, try the oven mit, it's just like givin' yo'self a stranger."

slow jack by Billabong aka Buck-deezy February 16, 2006

stack n jack 

One man lays on another man both facing up, the man on top reaches between his legs and jerk the bottom guy off.

Dustin and Logan stack n jack every Tuesday night.

stack n jack by thatsickdude December 13, 2014

Dirty Jack 

The act of incest when jack h shags his sister up the ass whilst his girlfriend is sat in the corner shoving pineapples up her pussy

A person who sleeps with there sister is a dirty jack

Dirty Jack by Easy123456 November 27, 2019

the jack bambis 

A band from Los Angeles. Their songs include Piracy and Harlequinn. Robert Downey Jr's son Indio is the guitarist.

"Have you heard of the Jack Bambis?"
"Yeah, that's Indio Downey's band right?"

the jack bambis by smashhit August 15, 2008

3 run jimmy jack 

a phrase commonly used by LAA Angels' Broadcaster Victor Rojas, whenever a 3 run home run is hit by the Los Angeles Angels of Anaheim.

At the end of the game, HOWIE KENDRICK HIT A 3 RUN JIMMY JACK for a game winner!

3 run jimmy jack by katierose June 7, 2010

bohemian jack in the box 

When a woman, defying all possible logic, has sex with a man from behind.

Terrance: So uh, Trixie gave me a bohemian jack in the box last night.

Monty: *confused gaze* Is.. is that even possible?

bohemian jack in the box by Marlene Corvelle December 19, 2007

Laughing Jack 

A tall, hot, monochrome clown who murders children and stuff them with candy
10/10 would smash.

Person 1: Hey have you heard of Laughing Jack?? I heard he's super scary

Person 2: He's actually super hot. I'd let him rail me even if he killed me after

Person 1: O-0

Laughing Jack by Prince_.Jaspy November 2, 2021