A large species of trout found in lakes in North America, Salvelinus namaycush.
Whiting fried in batter and served in a sandwich.
Any of several species of fish in Salmonidae, closely related to salmon, and distinguished by spawning more than once.
An objectionable elderly woman.
To (figuratively) slap someone with a slimy, stinky, wet trout; to admonish jocularly.