What’s that spell? N-S-F-W ! (NSFW if you have the sound on, that is, but since it’s a song you sort of lose the effect if you mute it)

The Casual Mafia: MoFo Scientist

He’s a MoFo chemist or biologist. Not a lot of MoFo physics. (And no MoFo snakes on the MoFo plane.)