The term STRUT LIKE A PONY can be summarized by the crossword solution PRANCE, which is a 6 letter word. PRANCE is an action that involves a high-stepping, spirited gait with much lift and bounce. It is often associated with horses, as they often PRANCE when they are feeling energetic or excited. Therefore, the term STRUT LIKE A PONY can be interpreted as an action of walking with a high-stepping, spirited gait, similar to that of a horse.