John Thomas
Proposed by a contributor, not yet supported by evidence.
Sense 1
Meaning · English
The penis.
Register: slang
Where it’s used:
Used
American English
Examples
'John Thomas! John Thomas!' and she quickly kissed the soft penis, that was beginning to stir again.
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).
Sense 2
Meaning · English
A flunkey; a male servant.
Register: archaic, slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 3
Meaning · English
a generic for "flunkeys,"—more especially footmen with large calves and fine bushy whiskers.
Era: ca. 1874 (Victorian)
Where it’s used:
Origin
British & Irish English
Sources & notes
Historical definition reproduced from Hotten’s The Slang Dictionary (1874, public domain; Project Gutenberg #42108, retrieved 2026-07-31). Reflects the attitudes of its era.
Common questions
What does “John Thomas” mean?
The penis.
Is “John Thomas” formal or informal?
John Thomas is generally slang.