frosh UK /ˈfɹɒʃ/US /ˈfɹɔʃ/verb 2noun 3forms 3 verb2 •(slang) To initiate academic freshmen, notably in a testing way.This campus does not tolerate froshing in any form. •(slang) To damage through incompetence.Trying to open my car door with a coat hanger, I froshed the mechanism. noun3 •(informal) A first-year student, at certain universities, and a first-or-second-year student at other universities.The frosh are really getting on my nerves! •(informal) Ellipsis of frosh week. •(dialect) A frog.1565 (1593), Golding, Ovid's Met. xv. (1593) pg. 356 — 1565 formsfroshed · froshing · froshes