Beautimus Maximus Share definition Flag A Spell from the book Harry Potter which makes one play musical instruments beautifully. “Beautimus Maximus!” Exclaimed Harry Potter. And Darren played the ukulele beautifully. Beautimus Maximus by Addy-Ral September 6, 2018 0 0 Get merch Get the Beautimus Maximus mug. Buy Now — $32.95 See more merch