Nasty, derranged, long, thick yellow toenails that resemble old shells found on the beach.
Oh my god check out that dude's shella toes!
by pooeater91 November 16, 2010
1 more definition
The act of performing '69' while both partners are shitting.
The perfect date - Indian Buffet followed by a hot and steaming shellato.
by Man... March 24, 2007