"Who would want your opinion anyway, you're just a filthy mudblood." Draco snapped.

"That sounds racist, and you know what that means," Harry said, as he reached into a pocket and pulled out some sort of handle, "Bigot Basher!" With that Harry twisted his wrist, and a large white frying pan, with 'Bigot Basher' written on it grew out of the handle.

'Doink'

Harry smacked Draco over the head with it.

"The pain reinforces the lesson." he said in a matter of fact tone.

"Your mad." Hermione said, in an outraged tone.

"Your observant." Harry responded in a matching manner.

Hermione sat down, confused out of her outrage at the violence.

"You can't do that to the boss." Crabbe informed Harry. "He's a pureblood and you ain'tent"

"That's right." Goyle agreed.

Two 'Doink's later Harry put the 'Bigot Basher' away.

"Here endeth the lesson"

Half an hour later, when they awoke, the Slytherin trio would find that Madam Pomfrey was unable to do anything about the swelling from the bumped noggins, they would have to heal normally. The jinx that read 'Bashed Bigot' on each of their foreheads would remain until they had healed.