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)
A pimp, a man living off the earnings of a harlot.
A person who avoids working, or doing their share of work, a loafer, a hanger-on, one who does not pull their weight.
A ball used in the sports of Quidditch and Muggle Quidditch.
A true mackerel, any fish of tribe Scombrini (Scomber spp., Rastrelliger spp.)
Certain smaller edible fish, principally true mackerel and Spanish mackerel in family Scombridae, often speckled,
typically Scomber scombrus in the British isles.
Certain other similar small fish in families Carangidae, Gempylidae, and Hexagrammidae.