Definitions by Ryan Lake

Moily 

A combination of moistness and oilyness originating from the crack of the ass.

1. Gosh Diana! My ass-crack sure is moily after that fart I just let!

2. After Diana slid her hand down Dave's pants and along his greasy butt-crack, her hand was all "moily".

Moily by Ryan Lake July 8, 2006