Dirty Munchkin

1. When a person (male or female) opens up a another females vagina and deficates a log into her vagina, then proceeds to watch her birth out the log of feces / 2. The log of feces that is pushed out of the females vagina.

A dirty munchkin is when an individual is on his or her knees performing oral sex and the recipient blows their hot, sticky, wet load all over the performer therefore making them a "dirty munchkin".