Blend ofslang +synonym orslang +-onym. First use appears c. 1959. See cite below.
slangonym (usuallyuncountable,pluralslangonyms)
- (rare) Aslangterm that is alsosynonymous with anotherword orexpression.
1959, Jacob Edward Schmidt,Narcotics Lingo and Lore, page 7:Based on theslangonymsnow, referring to heroin and cocaine. In use since early 1920's.
1999, Time Pub. Ventures, Incorporated (publisher),Vibe - Volume 7, Issues 4-6, page56:...slangonym for female genitalia. Often used to mean "clown around", "cut-up" was also a technique used by Naked Lunch author William Burroughs of rearranging the words of an existing text to make a new work.
2011, Peter Silverton,Filthy English - The How, Why, When And What Of Everyday Swearing:That other vaginalslangonym, twat, though, expresses no more than resigned despair or disdain.
2012, Paul Convery,Inkhorn's Erotonomicon - An Advanced Sexual Vocabulary for Verbivores and Vulgarians, page42:camera obscura * a darkly comicslangonym for the anus
2021, Lori Hardacker,Dating, What The F*ck?, page29:I hope you enjoyed that list of foul and derogatory "slangonyms."