Is when a person rides on a motorcycle (sport/crotch rocket style) and is involved in a vehicle crash. As a result of the crash the rider flies like a dart through the air with an enough speed and force to stick into a tree like a dart. 99% of the time the motorcycle rider is killed on impact with any solid surface.
A human tree dart is person that is riding on a sport/crotch rocket style motorcycle is involved in a vehicle crash. They hit with such force the rider is thrown from the bike flying through the air like a dart. When the rider hits a solid object after being thrown from the motorcycle they stick on a tree or other solid object like a dart sticks on a dart board.
by lead dog millionaire October 04, 2013
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