pulling a jack 

someone (usually a male) who gets very excited over doing things with the opposite sex that others find mundane.

bro 1: were's sam?
bro 2: he's over there cuddling with elizabeth
bro 1: she's so drunk! practically unconscious!

*sam walks up*

sam: guys! guys! i was cuddling with elizabeth! i even put my hand on her ass!
bro 1: *whispers* he's pulling a jack

pulling a jack by chachboyginger November 4, 2010

munt jack 

inverted deer with hetrosexual tendancies

munt jack by emily "the shag" shmodwin July 17, 2003

fo jack 

To borrow an item without the intention of returning it to the owner. A person who fo jacks an item will make up excuses for extended periods of time to ensure that they will not have to return the item, or so that they loaner will forget about it.

Week 1

Male 1: Hey cuz. Let me get that CD from you for a few days.

Male 2: Aight

Week 2

Male 2: Ay man... Where my CD at?

Male 1: I still ain't had a chance to listen to it yet.

Month 3

Male 2: Dude, I wanna play a song on that CD for my cousin. When you gonna give it back?

Male 1: I'll holla at you when I get back in town. My phone is breakin up...

Month 6

Male 2: Man, I think you fo jacked my CD. It's coo tho. I went and bought another one. Tha platinum edition. So you can have that one.

Male 1: My bad. I did fo jack yo CD, huh?

fo jack by KrissyKimono January 17, 2009

Visiting Jack 

Code word for jacking off, or masturbating.

Greg visits Jack everyday.

Dude- Where's Bob today?

Dude 2- Hes visiting Jack.

Visiting Jack by Mr. Flavorful March 1, 2011

snatch jack 

When a friend, collegue or just fellow dude takes public credit for sleeping with a woman, that his friend, collegue or fellow dude actually slept with.

Bob is a snatch jack, can you believe he told everyone arond the water cooler that he slept with Liz from accounting, we all know it was Justin who slept with her.

snatch jack by Swine Doctor April 26, 2011

Dipping Jack 

When someone gives a man a hand job but their hand is also filled with with chewing tobacco or dip, giving the man pleasure from the hand job and a buzz from the dip.

Guy: My girlfriend jacked me off with dip in her hand and it was awesome!
Buddy: Hey Guy, that's a dipping jack, and I know it's awesome!

Dipping Jack by Jayneva March 2, 2015

whistle jack 

When someone starts whistling a tune, and you finish their tune with your own whistling.

He was whistling 'I'm a little teapot' and doing a shity job, so I had to whistle jack him and show that bitch whats up.

whistle jack by HamBacon March 12, 2015