jack in the box

A fine fast food restaurant with a large variety of burgers, unique fries, as well as many other unique edibles. They don't make it til you order it.

Let's go eat at Jack in the Box!

by Wild Bill August 3, 2003

Jack in a Box

A penis that looks average until it is aroused and then erects to a size well above the norm.

Andrew: Yes, my penis looks only about an inch long when it is soft.

Slampiece: Well I must admit, your Jack in a Box was a nice surprise!

by Quagmire517 September 9, 2011

Jack-In-A-Box

A toy. Not to be confused with "Jack in the box", a fast-food restaurant.

Baby Hugo cried whenever he played with his Jack-In-A-Box. Every time Jack popped out it frightened him. Bad Jack!

by MTF January 22, 2009

Jack in a box

When you have an erection that your girlfriend doesn't know about and you whip it out of your pants and show her your hard on, usually with a really pleased expression on your face.

I was lying in bed reading the other day when Rob pulled down the sheets and sprung his jack in a box on me!

by Robertion August 22, 2011

Jack in the Box

Fast food resturant popular in the US, and HOLY in California. With such a wide selection of supreme quality food at such affordable prices, Jack in the Box rules all other fast-food franchises worldwide.

I'm hungry and only have a little money. I KNOW! I'll go to Jack in the Box, get full and have a lot of cash left over!

</plug>

by Evil Pumpkin December 10, 2003

Jack In A Box

When a girls fists herself and then you put your dick in too and she gives you a handy.

I went to a donkey show in Tijuana and the girl really stepped up her game by giving the bachelor a Jack In A Box.

by fucklayton September 23, 2015

jack-in-the-box

One of the best fast food restraunts out there. An actual clean restraunt other than hardees or mcdonalds. They make quality food.

Im gonna get me a chicken fajita pita from jack in the box.

by Oz April 19, 2005