(prounounced: Aahhh yyeeaaahhhh)1. a normally emphatic utterance generally spoken to indicate enthused happiness, happiness, or various types of victory, though dialectic advancement today sees the definition of accustomed express other feelings and, like surprise, anger, frustration, also sorrow.2. An emphatic utterance frequently spoken, principally by a male, during sexual activity currently of climax. Sarcastic saying doubting a person's activities or terms. Like "Oh truly?', or "Yeah we bet."