A ballsack that has become cold and shrivelled.
Carefull to dress up warmly in cold weather, you don't want a Pickleberry Butternut.
by Borken August 23, 2009
Describes a chill to the scrotum; often characterized by shrinkage in towards the body.
"It's so cold in here, I have a bad case of Pickleberry Butternut!"
by Truenash August 23, 2009