1. Literally it means "pubes and boobs". It is often used in Porn business. It is a term that means that a woman is rubbing her boobs on the pubes of a guy/girl.
2. Pubs 'n bubs is also a douchebag.
1. Joni: Yo, check that horny lesbian out dude, she's rubbing her boobs all over her pubes.
Luna: Obviously, she's doing some 'pubs 'n bubs'.
2. Martin: Joni is such a douchebag.
Sue: Yeah, he's a real 'pubs 'n bubs'.
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