Nerds and fractions

Alright, listen up, genius. This here meme is funny 'cause it flips the script. You expect nerds to be all about books and calculators, not beating folks up. But in this scenario, they're using their brainpower to come up with a clever threat. "Split that mf into fractions" means they're gonna break you down into tiny pieces, like dividing a number. It's unexpected and kinda dark, which makes it funny. You wouldn't get it, though, considering your favorite pastime is probably drooling on yourself.