What is Feeding The Mule?
1.
Cupping your fingers together and inserting them in and out of a chicks ass - aka "feeding the mule"
(opposite of feeding the horse)
You are doing a chick doggy, and have a spare hand, so you cup your fingers put them in her ass aka feeding the mule!
See
Random Words:
1.
Of a female, to masturbate by crossing the legs and rubbing the thighs together.
I caught her syntribating!..