rusty guts

Preserved but no longer current.

Sense 1

Meaning · English

A blunt surly fellow: a jocular misnomer of RESTICUS.

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.

Sense 2

Meaning · English

A blunt, rough, old fellow. Corruption of RUSTICUS.

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 “rusty guts” mean?

A blunt surly fellow: a jocular misnomer of RESTICUS.

Is “rusty guts” formal or informal?

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