eighty-six (v.)youdaoicibaDictYouDict[eighty-six 词源字典]
slang for "eliminate," 1936, originated at lunch counters, a cook's word for "none" when asked for something not available, probably rhyming slang for nix.[eighty-six etymology, eighty-six origin, 英语词源]
sunny (adj.)youdaoicibaDictYouDict
"full of sun," early 14c., from sun (n.) + -y (2). Compare Dutch zonnig, German sonnig. Figurative sense of "cheerful" is attested from 1540s. Sunny side in reference to optimistic outlook is from 1831. Eggs served sunny side up first attested 1887, in lunch counter slang, in reference to appearance when served.
Young Man (in Park Row coffee-and-cake saloon)--Waiter, I want a beefsteak, unpeeled potatoes, and a couple of eggs fried on one side only!
Waiter (vociferously)--"Slaughter in the pan," "a Murphy with his coat on," an' "two white wings with the sunny side up!" ["Puck," April 27, 1887]
Related: Sunnily; sunniness. As a noun meaning "sunfish" from 1835.