1 definition by AJ_Arch

An alternate name for Jack in the Box which refers to the addictive nature of it's food, widely thought to have addictive substances infused in their burgers/tacos. Open 24 Hours. Widely blamed as the source of over 50% of DUI's ever gotten.
Drunk guy 1: Dude i'm so fucking starving right now.

Drunk guy 2: I am going to fucking murder someone if i dont get some Jack in the Crack right this very minute.
by AJ_Arch July 11, 2008
Get the Jack in the Crack mug.