A hairy butt crack. When someone bends over and their butt crack is showing with massive amounts of hair.
Whoa dude check out that ass beard over there.
by Spiffy McGee October 15, 2008
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a large patch of hair grown on the lower back that ascends down the crack of the ass.
When he mooned us we got a good look at his upper ass beard.
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Person 1: I HAVE THE BIGGEST ASS BEARD OF THEM ALL!!!
Person 2: Think twice
Person 3: Only the REAL LEGENDS can grow the biggest ass beard, which is me.
Person 4: Could't you all just shut the f*ck up about these ass beards.
Person 4: But really, can you do this? *Grows beard so long that it grows stuck to his ass*
Person 1, 2, and 3: ...*walks away*
Person 4: ... Who's the real legend now!
by Aureole Youtube Channel February 26, 2019
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