happy highway 

Similar to the term happy trail, but only the trail of hair begins in the chest area and then down to the crotch.

That's one congested happy highway you've got there!

happy highway by BurconBager October 21, 2010

happy highway 

A happy trail that is way over grown.

You need to shave your happy highway.

happy highway by Stone Mill Goat Ropers October 4, 2004

happy highway 

big fat happy trail. you know what i'm talking about.

Wow, I've walked the happy trail, but you make me ride the happy highway...!

happy highway by J. Dawn Snow November 14, 2006