Definitions by Lil' Wendt

Grunu 

The extra flabby skin on a persons (or Animals) neck. The grunu is similar to a scrotum sack, only found on neck.

Old people tend to have excessive grunu's

My dog Woody has a big grunu.

I love to pull on Woody's grunu.

Grunu by Lil' Wendt January 3, 2011