The superior lube, cheapest and most effective lube. Usually acquired after "anal ravage".
Instead of buying lube I usually go med-evil on her ass till blood lube is acquired.
by BLB1990 March 1, 2011
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The act of using a woman's menstral blood from her vagina as lube for anal sex.
Darcy was on her period, so i blood lubed her ass doggie style.
by Karsen June 29, 2007
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