Used other than figuratively or idiomatically: see have, a, nice, day. / (US, Canada, rather formal). en

A polite expression used when the speaker is first introduced to someone.

Alternative form of Mr. Nice Guy

Alternative form of Mr. Nice Guy

A man who is the epitome of niceness.

plural of Mr. Nice Guy

plural of Mister Nice Guy

plural of Mr Nice Guy

(humorous) Rainy weather.

(colloquial) A phenomenon in which a man is a "nice guy" who believes that he deserves romantic or sexual attention from women in reciprocation for being friendly to them.