Top Definition
A person who shoots up drugs and uses the excuse 'I donated blood at Red Cross' when someone sees the track marks in their arms.
My friend kept getting questioned on his track marks so he told everyone 'I'm a blood donor. Me and my wife went and donated at Red Cross yesterday'

That guy is a big blood donor. He's always trying to get some more heroin to shoot up.
by mandymanjuice October 20, 2008
5 Words related to blood donor

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