Acronym for "Bitch Sit On My Face"
Reference : 2019 song that went viral (Baby Keem - Orange Soda)

Term used when interacting in any way with a girl you find sexy / gorgeous

when you're hungover as shit after a spending a night drunk as a skunk

"Big Smile On My Face"
Online acronym
used when somf (smile on my face) just isnt enough :P

or when lol is too much