high yo-yo noun1 •A dogfighting maneuver used by a rapidly-closing attacker to avoid an overshoot during a turn, involving pulling up into a climb to exchange airspeed for altitude and allow the attacker to make a slower, tighter turn and drop back down behind the defender.When you have the airspeed advantage, you can execute a high yo-yo for increased maneuverability in a turn fight while conserving your energy. Now who's laughing? — 2021 formshigh yo-yos