noser noun 3forms 1phrases 1 noun3 •(UK, slang) An indulgence in nosiness or other curiosity.You got your grade back already? Let's have a noser! •(slang) A punch to the nose.[…] the blow was veritably a noser — 1851 •(rare) A nosy person. formsnosers Phrases with noser brown noserOne who brownnoses (flatters or humors somebody in an obsequious manner for personal gain); one who sucks up; a bootlicker, dickrider, ass-kisser, sycophant.