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A sexual act between a man and a women. Also can be man on man. It is similar to scissoring, except it is more majestic and beastly!

Best performed on a long couch.
Dude: Baby lets Cat-Dog
Gurl: meowww
Dude: I guess that means I'm dog
by haleme July 08, 2016
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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 04, 2006
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When two men are docking both of the men simultaneously piss in each other's dick
Man oh man, me and jimmy totally did the cat-dog last night, best time of our life's
by Bloody smegpot April 09, 2014
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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 29, 2018
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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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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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