kidney
Proposed by a contributor, not yet supported by evidence.
Meaning · English
A waiter.
Register: slang
Where it’s used:
Used
American English
Examples
I once more desire my readers to consider that as I cannot keep an ingenious man to go daily to Will's under twopence each day merely for his charges, to White's under sixpence, nor to the Grecian without allowing him some plain Spanish, to be as able as others at the learned table; and that a good
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 “kidney” mean?
A waiter.
Is “kidney” formal or informal?
kidney is generally slang.