Home › Words › S › slangonymslangonymslangonym · noun — A slang term that is also synonymous with another word or expression.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, slangonym ranks #2,499 of 43,010 for Qualifying.EtymologyBlend of slang + synonym or slang + -onym. First use appears c. 1959. See cite below.nounA slang term that is also synonymous with another word or expression.e.g.“Based on the slangonym snow, referring to heroin and cocaine. In use since early 1920's.” — 1959, Jacob Edward Schmidt, Narcotics Lingo and Lore, page 7:Definitions & examples from Wiktionary (CC BY-SA 3.0).