Top Definition
Catwhale - an adult, large sized catfish.

Catwhale - An adult, large sized catfish particulary the genus Corydoras
Hey Y'all I'm going Cathwhalin'! You wann' go?

I just a caught a Catwhale and I'm going to eat this bitch!

Dude! That's not a catfish - that's a fucking Catwhale!

by BigNerdLolz November 10, 2013
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