brownnose noun 1verb 1forms 3 noun1 •(figurative) One who sucks up; a bootlicker or sycophant.A workmate reported the matter, "which is why the worker threatened to beat up the latter," calling him a "brownnose" and threatening to "wipe the floor with him." — 1997 verb1 •To flatter someone (especially a superior) in an obsequious manner, and to support their every opinion. formsbrownnosed · brownnosing · brownnoses