dog

Preserved but no longer current.

Meaning · English

An old dog at it; expert or accustomed to any thing. Dog in a manger; one who would prevent another from enjoying what he himself does not want: an allusion to the well-known fable. The dogs have not dined; a common saying to any one whose shirt hangs out behind. To dog, or dodge; to follow at a distance. To blush like a blue dog, i.e. not at all.

Era: ca. 1811 (Georgian)

Where it’s used: Origin British & Irish English
Sources & notes

Historical definition reproduced from Grose’s Dictionary of the Vulgar Tongue (1811 edition, public domain; Project Gutenberg #5402, retrieved 2026-07-31). Reflects the attitudes of its era.

Common questions

What does “dog” mean?

An old dog at it; expert or accustomed to any thing. Dog in a manger; one who would prevent another from enjoying what he himself does not want: an allusion to the well-known fable. The dogs have not dined; a common saying to any one whose shirt hangs out behind. To dog, or dodge; to follow at a distance. To blush like a blue dog, i.e. not at all.

Is “dog” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.