catfish /ˈkætfɪʃ/noun 4verb 2forms 3phrases 1 noun4 •Any fish of the order Siluriformes, mainly found in fresh water, lacking scales, and having barbels like whiskers around the mouth. •(Internet) Someone who creates a false profile on a social media platform in order to deceive people.Real people in a picture that was used by a catfish to create a fake identity could have a claim because their likeness was used without permission, Shear said. — 2013 •(Internet) Such a false profile. •The meat of such a fish, popular in the Southern U.S. and Central Europe. verb2 •To fish for catfish.I only use this rod for catfishing. •(Internet, slang) To create and operate a fake online profile to deceive (someone).[to Abed] You made a profile for a fake dude and lured her into an online relationship. [to Annie] He's catfishing you. — 2014 formscatfished · catfishing · catfishes Phrases with catfish holy catfishExpressing terror, awe, surprise, astonishment, etc.