devil's crevice 

the space between a one's genitals and their inner thigh

My girlfriend licked my devil's crevice.

Wow, my devil's crevice is sweaty today.

devil's crevice by William Finney May 16, 2007

Devils Crevice 

To pull butt-cheeks over a sleeping persons nose and fart.

When john was sleeping jake pulled his butt-cheeks over johns nose and farted this is a devils crevice

Devils Crevice by Glenn! June 26, 2008