"Come back, boy!" she shouted, but Neville was rising straight up like a cork shot out of a bottle -- twelve feet -- twenty feet. Harry saw his scared white face look down at the ground falling away, saw him gasp, slip sideways off the broom and -- WHAM -
The Leaky Cauldron is not associated with J.K. Rowling, Warner Bros., or any of the individuals or companies associated with producing and publishing Harry Potter books and films.
"The Leaky Song" by Brad Mehlenbacher of Draco and the Malfoys