look up any word, like cleveland steamer:
 
2.
Very large, hairy eyebrows, especially on a woman.
She's kind of cute, but what's up wuth those grouchos? Honey needs to do something about that.
by Ska.one June 29, 2006
 
1.
Wild, bushy eyebrows, a la Groucho Marx, especially when describing a woman.
The girl is real cute, but what's with those grouchos? My grandfather doesn't even have eyebrows like that!
by Ska.one June 30, 2006
 
3.
The fake fur lining on the edge of the hood on some hoodies / anoraks / parkas. Especially if removable. Makes a great pet.
I took the groucho off my jacket, now it's keeping the fridge company.
by DeadCode May 30, 2009