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

Jack in the box

A nightmare fuel. Kid friendly version of a jumpscare

Person 1: Hey remember Jack in the box?

Person 2: Yeah THOSE WERE FUCKING HORRIFYING!

by Attention_tobirds12 August 20, 2023

Jack in the box

Someone (usually female) who is beautiful on the outside and a lunatic on the inside

I meet this chick, but she turned out to be a Jack in the box. Beautiful on the outside, sang me pretty songs about life and then BAM!! Her crazy popped out!

by LewandaPookieJones January 11, 2015

Jack in the box

Feed a girl a lot of beans and taco bell then the Male processed to lock her in a box then after 3 hours cut a hole in that box and put your nose in that hole and sniff for as long as you possibly can

P1:dude what's that smell

P2:oh me and my girl just di the Jack in the box

by Fart fest April 24, 2020

Jack-in-the-Box

A suspicious or unpredictable person that should be avoided while walking.

Let’s cross the road, that person is a Jack-in-the-Box.

by Musterian March 24, 2025

Jack in the Box

A person who jacks off in a box

What? You never Jack in the Box'ed in a drive thru?

by BeatleBabe007 October 16, 2024

Jack in the box challenge

When you jack in the box of your jack in the box food

Yo bro I did the Jack in the box challenge my GF was so surprised
No way bro Ima try it out now

by MeatBallar October 25, 2022