Best definition
water wheel
The act of ejaculating inside your partner’s vagina/anus, then having them squat over your face, allowing your semen to dribble

into your mouth, finally you spit your semen into your partner’s mouth, completing the circle. Coined the water wheel because of the circular nature of the semen’s voyage.
Thought by many to be Terry Schiavo’s final sexual act.

Unable to convince his wife to eat real food, Mr. Schiavo resorted to supplying his wife with protein supplements via the water wheel.