This article refers to a Bludger in Harry Potter. For other uses see Bludger Bludger is a derogatory Australian slang term for a lazy individual, particularly one who is perceived to receive undeserved welfare or material benefits. ...
A Bludger is a ball in the fictional game Quidditch from the Harry Potter series enchanted to attack players of the game. There are two used in a game and the only defense that players have is from their two beaters, players armed with large clubs for knocking the bludgers at the opposing team. Quidditch is a fictional airborne ballgame played on broomsticks, a sort of magical variant of football or polo. ... Cover of the original novel in the series, Harry Potter and the Philosophers Stone. ...
"The Bludgers" is also a nickname for the Bluegrass band The Blodgers who originated in the 50's. Bluegrass has three principal meanings, the second two both deriving from the first listed. ...
Spells, in the HarryPotter universe, seem to be enacted mostly by speaking a few words, typically in a modified form of Latin, and gesturing with a wand.
In HarryPotter and the Prisoner of Azkaban, it is explained that when Harry was an infant, he and his parents, Lily and James, were hidden from Voldemort with Peter Pettigrew as their Secret-keeper; Pettigrew betrayed them.
In HarryPotter and the Order of the Phoenix, the charm is used to hide the headquarters for the Order of the Phoenix; Albus Dumbledore is the Secret-keeper, and is apparently able to give permission by letter to reveal the information.
Harry is sent to the hospital wing where he must stay the night, waiting for his arm to re-grow itself through a lengthy and painful process.
Harry is not the instigator of the detective-work, as he usually is. He is hesitant to get involved in this situation; even though he wants the Heir to be caught, he does not necessarily want to take this potion with all of its risks, in order to determine whether Malfoy is the heir.
Harry, on the other hand, notices his goal immediately, and does not allow a blow from a Bludger to prevent him from flying for the Snitch with all his energy and determination.