Wikia

Hurling Hex
Type	Hex
Effect	Unclear, possibly causes a broomstick to attempt to hurl its rider off.

"We've checked for most of the usual curses, but Professor Flitwick believes the broom might be carrying a Hurling Hex."

A Hurling Hex is a hex that can be applied to a broomstick. It presumably causes the broomstick to attempt to hurl its rider off.

History

"It's Snape! He's jinxing the broom!"

In 1991, Quirinus Quirrell used a wandless version of this spell on Harry Potter's broom during his first Quidditch match. Hermione Granger confused this Hex with a Jinx.

In 1993, Filius Flitwick suggested that Harry Potter's confiscated Firebolt might have been jinxed with this spell.