(medicine) The reflux of urine from one moiety of the kidney down the ureter and up into the other moiety, instead of draining into the bladder.

(aviation, military) A dogfighting maneuver used to increase the closure rate of the attacker during a turn, involving the attacker temporarily giving up some altitude to simultaneously increase airspeed and allow them to turn more steeply, enabling the attacker to cut across the defender's turn and catch up with the defender.

plural of high yo-yo

plural of low yo-yo

(aviation, military) 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.

plural of yo

Alternative form of yo-yo despin

(African-American Vernacular) A general purpose insult.

Pronunciation spelling of your mom.

Alternative spelling of yo momma