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.
A true mackerel, any fish of tribe Scombrini (Scomber spp., Rastrelliger spp.)
a pimp