Definition of trouts:
(n) :
Any of several species of fish in Salmonidae, closely related to salmon, and distinguished by spawning more than once.
(v) :
(intransitive) To fish for trout.
(n) :
(British, derogatory) An objectionable elderly woman.
(v) :
(transitive, Internet chat) To (figuratively) slap someone with a slimy, stinky, wet trout; to admonish jocularly.
(n) :
A surname.