crusty crevice

The indention someone gets on the side of their face from the constant wear of glasses. This person never washes their face or body leading to dirt build-up in the crevice. They also tend to stink.

"Hey, did you see Erika's crusty crevice today? She was scarffing down a dbl qrt pounder from mc'ds and all I could think was wash ur face skally!!