there are different kinds of beans.
(toe)beans: paw pads. usually a cat's paw pads.
forbidden beans: strange things that look like beans.
beans: a brownie
minecraft beans: raw gold, copper and iron blocks.
according to mental cases on twitter, it's when you cut yourself so deep and it looks like beans? at least that's what i can get from it, idk i'm not mentally ill
some rando (probably a furry): hey i feel like going on twitter today and seeing some paw beans
twitter: here's some self harm shit that we allow on our website!
the guy: WTF