A fork of Rural Dictionary
a stealthy creature that moves about at night molesting unsuspecting drunk girls in Montreal. from latin words grendullus-(meaning the area between the butt and balls) and wolfus maximus- (the great desire to nibble on this part of the body) which is sometimes called the the aintcher.
grundelwolf made a meal of my grendellus yesterday
The hair in the space between a mans anus and testicles.
Orville never learned proper grooming; his grundelwolf is getting out of control.