Moon Pie

noun. Available mainly in San Francisco and Key West, the Moon Pie is the act of a man ejaculating into another party(ies) asshole, where it is then followed by the said offender consuming his own seminal fluid from one or more filled, rectums. Also, can come in the Lemon Cream variety, where urine is added to the cream filling.

Paul's in the hospital getting his stomach pumped. Apparently, he had too much Moon Pie last night.