to cut ones wrists and bake into a cookie.
my friend was sad so i made him a blood cookie.
by kello125 January 13, 2008
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A blood cookie is a person, usually a fat ass, that donates blood so they can get free cookies at the end.
"This fat ass blood cookie looked like a fucking ghost after she donated so much fucking blood for free cookies"
by John Furydamn September 27, 2018
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