quickscope UK /ˈkwɪkˌskəʊp/US /ˈkwɪkˌskoʊp/noun 2verb 1forms 3 noun2 •(slang) A rapid kill with a sniper rifle after scoping in. •(slang) The act of quickly scoping in with a sniper rifle (to kill an opponent). verb1 •(slang) To shoot (a character) by means of a quickscope.I told them all to spectate me in first person, as I quick-scoped the five enemies from the top of the building. — 2013 formsquickscoped · quickscoping · quickscopes