switchblade /ˈswɪt͡ʃˌbleɪd/verb 3noun 1forms 3 verb3 •To attack or cut with a switchblade.I got terrible hangovers from the cheap booze; and, one night, I almost got switchbladed when I put my arm around the wrong "lady of the night. — 1987 •To spring open or up.Switchblading open their silvery cell phones, they call their mortgage brokers and say “Buy.” — 2007 •To (cause to) make a sudden move or transition.He briefly rocked medical school, switchbladed to accounting and finally joked his first radio script in 1938. — 1963 noun1 •A folding knife with a blade which opens automatically (under spring pressure) when a button is pressed. formsswitchbladed · switchblading · switchblades