When two men embrace each other and rub their manly beards together in some fashion.
Haven't seen you in a long time dude! Come give me some beard velcro!
When you have a short beard and like velcro it catches onto things like hair, your shirt, and other clothing. It’s usually painful.
I love hugging my son, but he always gets velcro-beard in my hair.
Ouch! I keep getting velcro-beard in my sweater.