old gentleman
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
A playing card that is almost imperceptibly longer than the others in the deck, used by cheats.
Một lá bài dài hơn những lá khác trong bộ bài, được những kẻ gian lận sử dụng
Machine-translated — suggest a fix
Register: slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 2
the devil. Also a card almost imperceptibly longer than the rest of the pack, used by sharpers for the purpose of cheating.
quỷ Satan, cũng là một lá bài dài hơn để gian lận
Machine-translated — suggest a fix
Era: ca. 1874 (Victorian)
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 “old gentleman” mean?
A playing card that is almost imperceptibly longer than the others in the deck, used by cheats.
Is “old gentleman” formal or informal?
old gentleman is generally slang.