A Jack Epstein 

an attempt at committing suicide by jumping off one's mom's balcony, but failing miserably and going on a homosexual oddysey in which one finds oneself and dates falon lewis. He hurts himself really badly.

dude! I had a bad bad day at school so i went home and pulled a jack epstein. it hurt soooooo much!!!!!

dawg somone called me an indian and i felt so bad i pulled a jack epstein.

They told me a 2 inch penis was small, so i decided a jack epstein was the way to go.

A Jack Epstein by sean "dickinass"wallace February 21, 2009

longback jack 

a guy with an abnormally long spine, usually can be found in biology classes being tormented for his unfortunate state and is commonly associated with grapes.

'hey longback jack ford, how did you manage to get in the door?!'

longback jack by clomofo January 7, 2010

uncle jack 

Another name for Jack Daniels. Also used as a family member to a drunk.

"Goddammned, Uncle Jack Really Obliterated My Ass Last Night!"

"Jason and I Drank A Whole handle of Good Ole' Uncle Jack Last Night!"

uncle jack by Neely December 13, 2004

You Jack Of Clubs

Some Steps On Your Foot You Say What You Doing You Jack Of Clubs

Vince: I Need A Remedy For Anxiety

Naboo: Here Have This (naboo blows dust in his face)

Vince: What You Doing You Jack Of Clubs I Asked For A Remedy Not Fucking Pixie Dust In My Face!

You Jack Of Clubs by Ray-Ray Floogle May 22, 2008

cracka jack 

Cracka jack is the word used whilst wanna-be gangsta' caucasians address each other in a conversation.

Yo' cracka jack!
What up cracka jack!?

cracka jack by Caucizzlin' Freaky Cool Man November 8, 2006

jumping jack

an excercise spreading legs and arms out-up and back in -down. Jumping snow angels.

How many jumping jacks can you do in 1 minute?

jumping jack by Glory Choe March 17, 2009

flap jack 

Speculum used in Gynaecological procedures
to literally jack a womans flaps open

warm up the flap jack nurse...dont want her to catch frostbite

flap jack by arrows101 February 13, 2009