slushbox
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
Synonym of automatic transmission.
Register: slang
Where it’s used:
Used
American English
Examples
The slushbox did nothing to improve an already sluggish response.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “slushbox” mean?
Synonym of automatic transmission.
Is “slushbox” formal or informal?
slushbox is generally slang.