Colorado brown beard 

When a man sticks his tongue in a girls butt hole and she has the runs down his face

See definition of Colorado brown beard

Colorado brown beard by Freshness303 February 5, 2012

Colorado-brownbeard 

The act of having ones face covered in feces while eating out a girls anus.

While eating out your girlfriends butt while she has the runs, she has a bowel movement on your face covering the face in feces giving the receiver a Colorado-brownbeard

Colorado-brownbeard by 1iquidFreshness February 24, 2012