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

Jack MacDonald

Attractive guy with a perfect personality. Born in the country Canada on June 22 2005 at Sault Ste. Marie. Excelled perfectly in academics, 4.0 GPA in school. Well known person with a vastly large social group.

Hi Jack MacDonald, my crush. Omg you're so hot.

by Sierras ugly February 23, 2023

Jack Metzger

A idiot that plays Fortnite, and wants to be a cringy Fortnite streamer. Wannabe Fortnite streamer. And likes hot dogs with milk on it.

The Jack Metzger is really retarded and fat.

by Jack Metzger October 25, 2018

jack fruit

When, after hitting it from behind, a man gets either chafed testicles or STDs that either swell or cause redness of the testicles.

Damn, that girl I fucked last night had so many piercings she gave me some jack fruit!

by Noic August 29, 2018

Jack Betts

The creator of the Urban Dictionary page Wagwan Whitmore

He is a fat cunt who will eat you and your first born if you call him fat
He also enjoys gay bashing and bullying spastics in his past time
He also goes by Vincent

Oh shit Jack Betts ate all my food, fat cunt

by Wagwan Whitmore October 4, 2018