Top definition
When having sex with your girl while on her period and you decide to switch from the pussy for some anal penetration.
Jerome: bro i was fucking the chick tanya on her period last night
raheem: yeah?
Jerome: I got some of that pb and j sex from that bitch
raheem: word? whats that?
Jerome: I took that dick out the bloody pussy and jammed it in her ass and had some pb and j sex.
by pb and j sex October 15, 2014
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