hellacool
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
Very cool (fashionable or excellent).
Register: slang
Where it’s used:
Used
American English
Examples
Damn, dis is hellacool.
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 “hellacool” mean?
Very cool (fashionable or excellent).
Is “hellacool” formal or informal?
hellacool is generally slang.