a. the area on a mans face which has been shaved, displaying a subtle greyness as an effect of there having previously been stubble there.

b. a 5 of clock shadow.
homer simpson displays a "beard line" or "five o' clock shadow"
by hewylouis May 18, 2009
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1.beard used to separate an overweight man first chin from his second
2.Beard grown by white people in an attempt to show how tough they are
"We have a winner! The guy with the xxxxl white T shirt and cock-eyed pinwheel hat wins line beard of the night award!"
by chauncey July 20, 2004
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