1 definition by R. B

Top Definition
A person who will engage in sexual acts with both sexes but will only be on the recieving end of those acts when the person performing them is of the same sex.
Female(a) in a MFF threesome will recieve oral and physical attention from female(b) but female(a) will not give oral or physical attention to female(b) because Female(a) is a passive bisexual.
by R. B January 06, 2008

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