Australian jack in the box

The act of a man inserting his penis into a newborn while it’s in the process of being born

Keshawn celebrated the birth of his daughter with an Australian jack in the box.

by Kmandoggiestyle September 16, 2019

Rusty Jack in the box

An old senile person that pops up sporadically in an attempt to appeal to the youngest generation in an attempt to stay relevant.

Is that Joe Biden or Bernie Sanders? Either way, it is a Rusty Jack in the box.

by Trixie McFly July 24, 2023

The “Jack in the Box”

This is when you insert your wonka into your companions chocolate starfish as it is soft, as and time goes on like a jack in the box, suspension builds until you reach your full potential and jump scare said companion.

I did The “Jack in the box”

by Big bad boyler. February 1, 2026

Jack Up Your Shit Box

To be beaten severely about the head, face, body etc. i.e. "Jack up" from
being jacked up combined with shit box

"I will Jack Up Your Shit Box!"

"Tony landed one punch on that guy and really "jacked up his shit box"

by Morbog September 27, 2004

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.

by dj_shoppie May 28, 2011

Jack in the boxing

To masterbate at work in a cubical or perimeter guard kiosk.

The officer was caught jack in the boxing in his guard kiosk.

by Got caught January 16, 2014

Jack-in-the-boxpertise

Expert advice or opinion pertaining to Jack in the Box "Restaurants". This is evidenced in memorization of combo prices, and a working knowledge of which employees mess up your order as well as what shifts they tend to work.

Thanks to my in-depth Jack-in-the-boxpertise, I was prepared ahead of time for the $6.01 price tag of a Medium #4 with a Diet Coke, with curly fries replacing those soggy-ass "Natural Cut Fries".

by spicybrad July 30, 2008