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A young boy who really likes to fuck his (usually younger) brother.
People call Billy "bilf boy" because he likes to fuck his younger brother with passion.
by ILTF May 29, 2019
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Aug 9 Word of the Day
Large, beautiful breasts that are keep well consealed and initially appear to be much smaller and less impressive than they actually are until unleashed.
I think Alicia may have some real sleepers.
by KABT October 26, 2007
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