bludger

noun

1. AustraliaslangA pimp, a man living off the earnings of a harlot.

2. AustralianzslangderogatoryA person who avoids working, or doing their share of work, a loafer, a hanger-on, one who does not pull their weight.

3. A ball used in the sports of Quidditch and Muggle Quidditch.

4. The bludger (Carangoides gymnostethus), also known as the bludger trevally, nakedbreast trevally or Bleeker's jackfish, is a widespread species of large marine fish in the jack family, Carangidae. (source: Wikipedia)

5. A slightly deflated dodge ball that is batted at by beatersperson

   “Beaters can try hitting the bludgers around in the air with a shortened hockey sticks or a short bat.”

   “This guide suggests ways to play Harry Potter's game of Quidditch in real life (Muggle Quidditch), by optionally riding on brooms, using three deflated dodge balls as bludgers for beaters to bat at players, a volleyball as a quaffle for chasers to throw into goal hoops, and a coin, ball or a running person as the snitch, which possibly blindfolded seekers must find.”

   “Place the quaffle and three bludgers in the middle of the field.”