What does Beard-nod mean?

Beard-nod meaning in Urban Dictionary

The gesture a bearded man provides to another bearded fellow as a greeting, farewell or salute.To provide a proper beard-nod a person must:1. Raise their hand right-hand to their beard/chin2. Stroke their chin together with his index finger and flash while providing a nod in direction of another bearded man3. stay QUIET!!!!