What is Uncle B.j.?
1.
A suitable alternative for sex while your girlfriend/wife is menstruating also known as a blow job. More specifically as a counter to a woman who uses her period (Aunt Flo)as an excuse to avoid sex.
"I don't care if Aunt Flo is in town as long as she brought Uncle B.J."
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Random Words:
1.
A person that tries (and maybe succeeds) to chat up on someones date or girl they are trying it with.
Moses: Ki, u seen that bird over ..