Get the slack out of your jack

Term used to tell someone to quit lollygagging. Can be used to tell someone they are to laid back.

He's been lookin' at magazines for 20 minutes! Our plane leaves in 15. Go tell him get the slack out of your jack!

Get the slack out of your jack by Phrisbeephreak July 14, 2010

jack doesn't come out of the box 

A lack of sexual relations in a man-woman relationship.

She says: Don't get married for at least two years. As far as I'm concerned, Jack doesn't come out of the box until the end of the first year.

jack doesn't come out of the box by dj_shoppie May 28, 2011

brains jump out the top like jack in the box 

(v) The act of shooting somebody in the head. Popularized by the 50 cent song 'Heat'

Man, I was playing Gears of War and made somebody's brains jump out the top like jack in the box.

brains jump out the top like jack in the box by DieLawn September 6, 2007