iron man
Proposed by a contributor, not yet supported by evidence.
Meaning · English
A dollar.
Register: dated, slang
Where it’s used:
Used
American English
Examples
This time it was thirty-five grand, a whole damn marching battalion of iron men, […]
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 “iron man” mean?
A dollar.
Is “iron man” formal or informal?
iron man is generally dated, slang.