PSF

Short for "Probably someone's fetish", used in online conversations.

A. "You ever see the weird annoying nubs on the ends of characters' socks in old cartoons?"
B. "Yeah, I hate those."
A. "They're so weird! Put your socks on all the way you imbecile!"
C. "psf lmao"

Lean Bean

Another word for Jolly Rancher candies, because of their use in Lean.

Hey, Jeremy, you want a lean bean?