jacking-off

masturbation

When Chris, Tracey, and Jackie walked around to the back of our store and saw a bum jacking off in the bushes.

thread jacked

When someone takes your email thread from one topic completely off topic to some other subject.

Tim:
Email Subject: Snowboarding this weekend
Hey, anyone want to ride Hunter this weekend?

reply:
Will:
Email Subject: Snowboarding this weekend
Hey, I got a really cool macbook air, this thing rocks and kicks the ass of any Microsoft junk you tools use

Tim:
Email Subject: thread jacked MS vs Apple (was Snowboarding)
Damn I hate it when I get thread jacked.

Jack Decker

(v.) to be delicious.
(n.) rediculously hot wrestler for Penn State.

That guy is onnnee hot Jack Decker!!

jack bag

1. n
Simply, a bag or rag or magazine or anything container outside a bathroom that you shoot your load into when your done jacking off.

2. adj
term used to describe someone who's only worth is being there to absorb your masturbation

1. I'm using this plastic bag as a jack bag

2. "Alright, jack bag, you don't have to yell"

Jack Off

To masturbate; the stimulation of a male's penis until orgasm is achieved and ejaculation occurs.

Jill didn't want to have sex right now, so Jack decided to jack off.

Jack Ass

A person who is so damn ignorant that the things they do cause you and your friends to laugh even though it causes them Pain.

Can you believe that Jim shot himself in the foot, What a JACK ASS

jack pack

The man purse Jack Bauer uses in 24 Season 5.

Look at the Jack Pack! I want one!