When someone takes a dump on someone's property (car, front lawn, etc.).  It is an add on to the word "moon", which refers to exposing one's rear end.  The pie aspect is the product of the exposed rear end.
by Daryn June 25, 2005
Get the moon piemug. a sex act consisting  of a man jerking off , catching the load in his hand and having the woman kneel before him and lick the cum from his hand
by grendle September 26, 2007
Get the moon piemug. A sense of cosmic well-being, induced by injecting lots of sugar typically from candy intake. After A Moon Pie, a typical source of some excessive sucrose intake.
A Southern working man's lunch, a Moon Pie and an RC, typically helps induce the afternoon Moon Pie high.
by Cranberry Bob January 30, 2020
Get the Moon Pie highmug. A euphoria induced by the ingention of large amounts of sugar.  From Moon Pie, a marshmallow-centered cookie made in Chattanooga.
Thomasina had a thoroughly bad day and could not wait to get home, kick off her shoes, and swallow several teaspoons of condensed milk.  Moon pie high, here it comes!
by Elvis with a Bra on His Head September 6, 2005
Get the moon pie highmug. by AeroEnzo December 12, 2021
Get the Scottish Moon Piemug. by OG WEASEL May 13, 2018
Get the Kentucky moon piemug. by la la January 29, 2005
Get the moon piemug.