Green’s Dictionary of Slang

crapping n.2

[crap v.2 (1) ]

defecation, in combs. below.

In compounds

crapping ken (n.) (also croppen ken, cropping ken, croppin ken) [ken n.1 (1)]

(UK Und.) a privy.

[Ire]Head Canting Academy (2nd edn) 171: Croppinken A Privy or Bog house.
[UK]B.E. Dict. Canting Crew n.p.: Croppin-ken, c. a privy, or Bog-house.
[UK]New Canting Dict. [as cit. c.1698].
[UK]Bailey Universal Etym. Eng. Dict. [as cit. c.1698].
[UK]Scoundrel’s Dict. 15: A Bog-house – Croping-ken [sic].
[UK]Grose Classical Dict. of the Vulgar Tongue n.p.: [...] croppen ken; the necessary house.
[UK]Grose Classical Dict. of the Vulgar Tongue [as cit. 1785].
[UK]Lex. Balatronicum [as cit. 1785].
[UK]Egan Grose’s Classical Dict. of the Vulgar Tongue [as cit. 1785].
[UK]Swell’s Night Guide 60: Why, Billy, she wouldn’t be seen in a crapping ken with you. She’s a dodge above a gonniff.
see crapping casa