The sexual act of two girls engaging in a 69 while a man is having sex with the girl on the bottom, and when the man is about to climax he gives the girl on top a facial or receives a blow job.
Bob: Dude! I got a PB n Jay from your sister last night!

Jeff: Cool, she makes them a little sloppy for me though...

Bob: She gave you one?

Jeff: Yeah... she used to babysit me when my parents would go to the orgy.

Bob: Dude we are talking about Two completely different things.

Jeff: Oh... OH DUDE! FUCKING SICK!

Bob: Dude...

Jeff: What?!?!?!

Bob: Your mom can suck a dick like a pro.
by BawSaq69er August 3, 2008
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Having diarrhea while leaking period blood at the same time.
I was so embarrassed! I PB and Jayed it at work today. {shit} {period}
by SilverSheilds March 25, 2018
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