quack
Proposed by a contributor, not yet supported by evidence.
Meaning · English
Any doctor.
Register: derogatory, humorous, slang
Where it’s used:
Used
American English
Examples
That quack wants me to quit smoking, eat less, and start exercising. The nerve!
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 “quack” mean?
Any doctor.
Is “quack” formal or informal?
quack is generally derogatory, humorous, slang.