Green’s Dictionary of Slang

cramp v.

[fig. uses of SE cramp, to compress, to restrict, to limit]
(US)

1. to execute by hanging, to kill; thus cramping-day, execution-day; cramp laws, crimes that carry the death sentence.

[UK]Newcastle Jrnl 27 Dec. 4/1: He’ll floor them nosing beaks, I’m sure, / As makes cramp laws to handle the poor.
[US]Matsell Vocabulum.
[UK]Vanity Fair (N.Y.) 9 Nov. 216: Cramp BILLY SEWARD, stave in CHASE’S mazzard. [Ibid.] Ne’er fash myself, nor think of cramping-day.

2. to annoy.

[US]E. Nye Bill Nye’s Remarks 21: I hope you will get your education as cheap as you can, for it cramps your mother and me like Sam Hill to put up the money .
[US] in DARE.

In compounds

cramp words (n.) [note SE cramp word, a long, difficult or unusual word]

(UK Und.) a sentence of death.

[UK]New Canting Dict. n.p.: cramp-words [...] Sentence of Death passed upon a Criminal by the Judge; as, He has just undergone the Cramp-Word; i.e. Sentence is just passed upon him; us’d by the Canters, when one of their Gang is condemn’d to be hang’d.
[UK]Bailey Universal Etym. Eng. Dict. [as cit. 1725].
[UK]Dyche & Pardon New General Eng. Dict. (5th edn).
[UK]Grose Classical Dict. of the Vulgar Tongue n.p.: Cramp words, sentence of death passed on a criminal by a judge; (cant). He has just undergone the cramp word; sentence has just been passed on him.
[UK]Lex. Balatronicum.
[UK]Egan Grose’s Classical Dict. of the Vulgar Tongue.
[UK]G. Kent Modern Flash Dict.
[UK]Flash Dict. in Sinks of London Laid Open.
[US]Matsell Vocabulum.
[UK](ref. to 18C) Birmingham Dly Post 23 Dec. 8/5: ‘Cramp-words’ are the bitter words of doom spoken by a judge when one of the canting confraternity is sentenced to death.
[Aus]Crowe Aus. Sl. Dict. 20: Cramp Words, sentence of death.