black ace
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
An elite mafia hitman.
Register: slang
Where it’s used:
Used
American English
Examples
The big man in the Mafia said: 'Billy, me and the boys are praying for you. We know you're up against the big one this time, the big black ace'.
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 “black ace” mean?
An elite mafia hitman.
Is “black ace” formal or informal?
black ace is generally slang.