noun
: a cocky conceited fellow : know-it-all , wiseacre
the wise guy who was going to show … headquarters how to run a battle — R.M.Ingersoll
talks like a wise guy — Delmore Schwartz
noun
: a cocky conceited fellow : know-it-all , wiseacre
the wise guy who was going to show … headquarters how to run a battle — R.M.Ingersoll
talks like a wise guy — Delmore Schwartz
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012