rap
Preserved but no longer current.
A halfpenny; frequently used generically for money, thus:—"I haven’t a RAP," i.e., I have no money whatever; "I don’t care a RAP," &c. Originally a species of counterfeit coin used for small change in Ireland, against the use of which a proclamation was issued, 5th May, 1737. Small copper or base metal coins are still called RAPPEN in the Swiss cantons. Irish robbers were formerly termed RAPPAREES.
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 “rap” mean?
A halfpenny; frequently used generically for money, thus:—"I haven’t a RAP," i.e., I have no money whatever; "I don’t care a RAP," &c. Originally a species of counterfeit coin used for small change in Ireland, against the use of which a proclamation was issued, 5th May, 1737. Small copper or base metal coins are still called RAPPEN in the Swiss cantons. Irish robbers were formerly termed RAPPAREES.
Is “rap” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.