Goat's Gruff 

An extremely dangly, wooly, hairy scrotum.

Dude!!! Invest in a razor and loose the goat's gruff. How does your girlfriend suck your balls?

I saw my grandpa's goat's gruff last night. I don't think I will ever be the same.

Goat's Gruff by Eaton Holgoode April 24, 2017

Billy Goat's Gruff 

English rhyming slang for muff aka pussy, female genital region.

Eat some billy goats gruff

Billy Goat's Gruff by bigrattus November 21, 2003

Billy Goat's Gruff 

When a male ejaculates up and onto his partners chin, imitating The Chin hairs on a Goat

" Aw Yeah I Pulled Out And Gave Her A Billy Goat's Gruff."

Billy Goat's Gruff by Blair.Finnie February 1, 2017

billy goats gruff 

when someone, usually a female, gets their pubic hair cut into the shape of a farmland animal, preferably a goat.

"alex told me his ex girlfriend laura got a billy goats gruff yesterday"

"dude, seriously?"

"yeah..her dad did it for her!"

billy goats gruff by Alex Lee in plymouth January 6, 2008