Jack Murr

A unit of measurement referring to 3 inches or less or pertaining to an overall small size. Often referring to the penis.

Boy, I heard he's packing a Jack Murr, he ain't gonna get no girls with that.

by Monicanation September 15, 2016

jack-pin

When you pin Yo man down and jack him off and stop before he cums

Hunny why don't you just jack-pin him.?

by Jack-pin June 22, 2016

Jack Lovelace

Wants to be called 'poopy head', no one knows why, he is a strange guy though... as he does eat pins and drinks ink, i'm convinced he's an alien.

Jack Lovelace: call me poopy head
Me: Okay Boomer

by Meadling December 3, 2019

Jack Mullen

A cutie pie, should be respected, have nice ass

Man1: hey man did you see Jack Mullen?
Man2: Yeah I know, he dummy thick.

by FuckingLookinggood January 11, 2020

Jack King

The name of a lonely person who jerks (or jacks) off a lot.

"Hahaha, look at that Jack King. What a lonely bastard."

by watcher woo September 20, 2013

Nolan of the Jack

The biggest insult ever. Used to describe someone who's utter wankerness and prickishness cannot possibly be put into words, therefore they are a Nolan of the Jack.

Jack Nolan's such a Nolan of the Jack.

by NotAGingerKid March 2, 2011

mud jack

v. The act of deficating in ones hand (or using feces from acquired from anywhere) and using the feces as lubrication to masturbate.

I mud jacked in the shower last night.

by smangz March 22, 2011