Verb: To Slippy-Fist. a) To "Sucker-punch", throw a "Haymaker," or to sneek something towards an unexpected recepient. b) A sudden underhanded and unexpected presentation in circumstance or situation. c) a heavy, blind-sided blow via language or physical means.
a) I was standing there one minute, next minute I'm on the ground. Must've been slippy-fisted. b) Yo, she slippy-fisted that test to us. c) Woah, that last drink totally slippy-fisted my ass.