When two men or two female have a double sided dildo and go ass to ass with it, creating the illusion of catdog.
Yo Stefano, I walked in on my girlfriend doin the Catdog with Carl.
by PpHerald July 30, 2018
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The act in which a two people place a double-sided dildo into their anal and/or vaginal cavity and rock back and forth against each other, therefore looking like the Nickelodeon original character(s) CatDog.
Bro, when I was CatDogging with that Russian last week someone walked in on us and scared me so bad I made a noise like Scooby-Doo.
by CatDogKing007 July 28, 2018
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CATDOG...the coldest tv show ever i mean damn yo he was my hero he was the coolest but cat was a abitch as trick cause he nwas mean 2 dog nd ate the fish dog had
CATDOG should b every1's hero
catdog is the coldest ever dont ever disrespect him
by Shizz Matic September 4, 2006
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A sexual position in which the participants rub their bare rumps together and make animal noises.
Angry Female: Man this guy last night, he had the stones to ask me to do the catdog.

Angry Female 2: Nuh uuuuuh. Oh no he dii'nt.
by Ross Seltzer October 27, 2007
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To simultaneously vomit and shit. (definition comes from the tendency of cats to puke everywhere and dogs to shit everywhere. Usually a condition of extreme inebriation).
I was so drunk, that when I stepped in the bathroom I began to catdog all over the place.
by Ron Ketner February 27, 2007
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An indecisive, unsure person. However happy the person may appear, they will spend much of their life trying to find out who they really are. Often taking the longest path, these people will find someone along the way who will give them the confidence they need to discover who they are, and what they need from life.
I'm like a Catdog! God knows who I am!!!
by Sweet Nat February 22, 2006
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