Wikipedia suggests that kip is derived from kipper a smoked herring fish. The English philologist and ethnographer Walter William Skeat derives the word from the Old English kippian, to spawn.
etymology - Why does "going to kip" mean "going to sleep"? - English ...
Kip and nap are the same. Kip is more like the informal version of nap in BrE. Snooze also means nap and is the informal version of nap in both AmE and BrE. When it comes to their history, snooze, according to the ODE, emerged in the late 18 century and is of unknown origin; nap comes from Old English hnappian, which might have originated from ...
So it was crash, bash, sausage an' mash, two kip [per]s and a bonbon, This bit is the messy part. Sure, it could theoretically be a hastily-slapped-together dinner of fish, potatoes, sausage, and chocolate. More likely, it would be about slipping in references to piss ing (via slash) and/or amorous strippers past the censors.
William Kitchiner M.D. (1775–1827) was an optician, inventor of telescopes, amateur musician and exceptional cook. His name was a household word during the 19th century, and his Cook’s Oracle was a bestseller in England and America. Wikipedia The phrase forty winks, meaning a short nap, can be traced back to Dr. Kitchiner's 1821 self-help guide, The Art of Invigorating and Prolonging Life ...
chop-chop adv. Informal Right away; quickly {Reduplication of Chinese Pidgin English chop, quick, of Chinese dialectal origin; akin to Cantonese gap1 and Mandarin jí, hasty, urgent, pressing both < Middle Chinese kip.} ... chop suey n. 1.