knockout game
random assault wherein the perpetrator attempts to knock an unsuspecting passer-by unconscious by a single punch
en-US/ˈnɑˌkaʊt ˈɡeɪm/
en-GB/ˈnɒkaʊt ˈɡeɪm/
random assault wherein the perpetrator attempts to knock an unsuspecting passer-by unconscious by a single punch