A rat beard is a haggard ass beard, that goes unshaven for many months. This beard is especially rat like due to the fact that it is repeatedly straightened.
by 138 Squid May 10, 2008
The crook of all the beard styles. Very sparse and patchy, sometimes looks like a dirty shit pirate beard. Usually worn by metal heads or just ratty gnarly fucking dudes.
by dingletheberry January 02, 2016