wing·ding \ˈwiŋˌdiŋ\noun (-s) Etymology: origin unknown 1.slang a.: a nervous seizure or attack induced by narcotics b.: a pretended fainting fit or illness c.: a fit of rage : tantrum d.: spree 2. a.: a wild or lively or lavish party b.slang: a social affair < a series of proms and wingdings his frat was giving — Frank Sullivan >