Jack in the Crack

In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

Jack in the Box (a chain of fast food restaurants).

Register: slang

Where it’s used: Used American English
Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “Jack in the Crack” mean?

Jack in the Box (a chain of fast food restaurants).

Is “Jack in the Crack” formal or informal?

Jack in the Crack is generally slang.