1. wiseacre - Noun
2. wiseacre - Verb
A learned or wise man.
One who makes undue pretensions to wisdom; a would-be-wise person; hence, in contempt, a simpleton; a dunce.
Source: Webster's dictionaryMr. Nixon, the [late] Vice-President of the U. S. A., has said that the time to lose one's temper is when it is deliberate, whilst another wiseacre has stated, "Speak when you are angry and you'll make the best speech you'll ever regret." Peter de Noronha