Jack Flash

A street term for a special type of medical heroin... if u hav ever had heroin you know why its called that!!!

Zack: Yo man after i broke my arm when i got fucking slammed into the ground the hospital gave me some Jack Flash i am gonna try to get some extra so i can sell it

Miano: YA!!! then we can buy weeeeed!!!!

by Ross The Great April 21, 2007

Jack Howard

Youtuber. Better known in the hilarious duo "OMFGItsJackAndDean". Works with other youtubers such as TomSka, Daniel J Layton, TimH078, Ben Cook, etc.
He is a very talented actor and director.

Jack Howard and Dean Dobbs make amazing videos.

by Whatsername182 December 27, 2013

Jack the Ass Ripper

Little known cousin of Jack the Ripper, famous for his ability to fart on command.

Today Jack the Ass Ripper killed it at the show.

by Saruman's Army February 6, 2015

The Jack Sparrow

Placing your dick over the shoulder of a seated person in accordance to the placement of a parrot on a Captain's shoulder.

Joe: Yo dude! You see Bill over at his desk?
Bob: Yea, why?
Joe: Go over, and give him The Jack Sparrow.

Lt: Yo, did you get any ass last night?
Ac Money: Nah man, but I Jack Sparrowed the shit out of some girl.

by acmonehellz January 25, 2007

Jicky Jack

Jicky Jack is the process of turning a simple task in to multiple steps. When something becomes jammed and stuck, then you must use your Jicky Jacking skills to massage said task in to it's proper dwelling. To be a thorough Jicky Jacker you must posess a BIG HEART. It takes talent, patience, and above all, a rough hangover

When Bob found that there was no height to install the panel, he started revving the forklift engine and doing dangerous stuff to make sure that he could Jicky Jack that panel in to place.

by BBlanc March 6, 2009

Mr. Jack

Slang for a police officer that abuses his power, or any police officer in most cases. Made famous by the System Of A Down song of the same name.

Police officer: GET THE FUCK ON THE GROUND BEFORE I BEAT THE SHIT OUT OF YOU!!!
Man: Okay chill out Mr. Jack

by ThatGregGuy March 31, 2009

Jack ass

Kanye West

Only a real Jack ass would interrupt a teenager at an award show and embarrass her like that.

by SmileyRay December 26, 2009