Dexcellent
The act of making a bad or good golf shot, then proceeding to hear or say, "You Moron!"
A crucial 10 foot putt is needed by Dexter on the 18th hole to win match. Dexter proceeds to blow the putt several feet totally offline. His partner, puts his head down in disgust, and says "now that was a dexcellent putt, you moron!"