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3.
Someone who pretends to be someone they're not online to create false identities, particularly to pursue deceptive online romances.
Freshman year I started chatting with this chill girl online, only for her to turn out ugly-ass catfish. Never again.
by Midoof September 28, 2010
 
8.
Bearded Lady, hairy woman, women with lots of facial hair
Check that catfish out she's hairier than Jesus
by tonydenver May 06, 2010
 
9.
A person that over eats. Their big mouth devours everything infront of them. After eating that excessive amount of food they are typically lethargic and have a swolen stomach and blank stare much like a catfish.
Bob- "Did you just see Jamie after she ate those two footlong philly cheese steaks and that large milkshake with extra whip cream!?"

Dan- "Yeah what a Catfish!!"
by lucaduc December 07, 2009
 
10.
A method of fellatio where the woman deep throats the man in a manner that causes her to make a noise similar to that of a croaking catfish.
Yeah, she catfished me last night. It was great. No gagging!
by Joe24 March 07, 2006
 
11.
A person who follows another person around. They suck up to that person because the person's social standing is much higher than the catfish's. The catfish is often fat, unathletic, skinny with glasses, or just annoying to everyone around them.
Look at Sebastian following Ryan around, that kid is such a catfish
by raychelha June 03, 2005
 
12.
A. A male or female who, when intoxicated, reverts to a primitive state in which they blindly wonder around looking for someone to fuck. Usually these sloppy-drunk animals sift through a series of rejections until some poor, skanky soul gives it up. While in "catfish mode," these individuals aren't thinking logically, and will only react to the prospect of immediate ejaculation.
"Aaron went with that skank to the strip club in the hood just to try and nail her."

Yea, he was tryin to smash with everyone last night.

"Too bad he pissed himself, she was DTF. She left him at her friends place to go fuck her ex."

What a Catfish.
by moneymike69 November 21, 2011
 
13.
A distorted version of the italian "capisce", meaning "do you understand?". First used in the Simpsons.
If you don't shut up, I'll kill you. Catfish?
by Hugga January 04, 2005
 
14.
A bottom-feading sellout who does anything for pussy. Also see /coward/.
When Kevin, the catfish, tried to cock block his buddies, he got his ass beat.
by Nick June 06, 2004