Rapist Beard 

Facial hair that is unkept and intimidating.
Typically agressive male rapists have this type of beard since they do not bother with grooming activities as they have more important things to do like lift weights, drink beer, smoke ganja and scope out dark alleys.

Dude what's with the rapist beard?

-Haven't been able to shave sinc i spent my last 10 bucks on new wife beater shirts.

Rapist Beard by powerhouse1978 September 24, 2012

Rapest Beard 

The sort if scraggly, unkempt facial hair you get if you neglect shaving for a week or so. typically too short to be considered a legitimate beard, this may or may not include a molester mustache.

When Chris got back from vacation he had the sickest rapest beard.

Rapest Beard by Ümbra May 25, 2004