nut jack

When you are hitting on a guy and another girl/guy swoops in and steals them away.

I was talking to Matt and Christa came over and nut jacked me.

Whenever I got to the club with John, he always nut jacks me.

by blsquared January 11, 2009

jacking off

rubbing a smooth long cock up and down and all over, usually using some type of lubricant and usually while looking at chicks getting fucked. after jacking off, you cum all over your own hand.

i love jacking off and then coming in your mothers mouth

by loves2jack May 26, 2004

jack mag

A pornographic magazine used to aid with beefing it.

Thomas had a closet full of jack mags until his mom found them and grounded him for it.

by Netch July 16, 2004

jack-off

1) When an angry mother orders her son (named Jack) off a ride outside Tesco.
2) To masturbate.

1) "Get off the Postman Pat ride, you've been on long enough... JACK, OFF!"
2) "Dude, I am going to jack off."

by Soiled Undergarment August 15, 2003

Union Jack

1. The British flag.
2. Another name for masturbating(jacking off) in a group, such as in a circle jerk.

After helping to win the Revolutionary War, the 5 gay American soldiers celebrated by having a union jack on the Union Jack.

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Mark H. Active participant on UrbanDictionary since February 2004.

by Mark H June 11, 2006

Flap jacking

The female version of tea bagging.

What is it called when a girl tea bags someone? It's called flap jacking!

by Chucksama November 14, 2013

jack-monkey

A term used to describe those with undenyable stupidity in everyday situations.

"hey, isn't Barcelona a country...?"

"NO, you damn JACK-MONKEY!!"

by Bat-gump June 24, 2006