donkey deuche
when a man has sexual relations with a female donkey the donkey must be cleaned out with a deuche before its next encounter. the female donkey must be cleaned with this deuche to ensure years of healthy well being.
in the movie clerks 2, there is a donkey show where you can make love to a donkey "kinky kelly" for 500 bucks. the donkey must be cleaned out with a donkey deuche between performances.