(1) A large, plump fish, not necessarily sporting impressive length but necessarily displaying mass girth.
(2) Anything of impressive girth or that is simply impressive.
(1) The guide pulled the rainbow engorged with salmon eggs from the stream and shouted, "a toad fish."
(2) Eyeing the cupcakes, little Nicky grabbed for the biggest of the lot, screaming "toad fish."
Toadfish: An aquatic creature native to Marcland, which is easily distinguishable by it's brightly coloured eyes, toad-like face and it's long, finned tail. The toadfish, despite it's name, is neither a toad nor a fish, but is infact the only known aquatic primate. The toadfish does not eat, and seems to survive purely from sunlight and the happiness of those around it. The toadfish is recognised by the natives of Marcland as a sigma of good luck, and is often found as a household pet.
"I bought added a toadfish to the tank yesterday, little buddy always seems to lift the mood." - Contented toadfish owner.