Definitions by Mr. Peebody

Dirty Munchkin 

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".

*splooge*
Fred- "I just made you my Dirty Munchkin!"

Dirty Munchkin by Mr. Peebody April 19, 2009

dumacooch 

Someone who wants you to 'do-muh-cooch' , also known as a horny female or male with a sex change.

Girl (or man with a sex change) - "Eh papi, dumacooch!"

dumacooch by Mr. Peebody March 30, 2009