brownnose means one who sucks up; a bootlicker or sycophant. Lexicurio rates it Sui generis — a strength score of 88 out of 100.
Etymology
From brown (“a scatological reference”) + nose.
noun
- 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."”
verb
- To flatter someone (especially a superior) in an obsequious manner, and to support their every opinion.