Usually referring to a depraved almost-sex act between a girlfriend and boyfriend who haven't had sexual intercourse yet, cat and dog is usually thought up by the boyfriend who is sexually deprived and is looking for a way to release his urges.

The act involves the two parties acting as a cat or as a dog, the female is usually the cat and the male is usually the dog.

The objective of the dog is to 'jump' on things whether it be a couch or objects on the ground but also to jump on the cat (hence why the male is the dog as they are most sexually aggressive) also the dog looks at the cat with puppy dog eyes whenever it wants the cat to play with the dog more.

The objective of the cat is basically to purr every time the dog pats her, but as cats get tired of things very quickly if she gets patted for too long she will scratch the dog .

there are many variations to this depraved act but those are the basics to how Cat and Dog is to be done.
Tim: Man I feel sorry for Misha; I hear he doesn't get any from his girlfriend.
Michael: At least he gets to play Cat and Dog with her!
Tim: Cat and Dog? What the faaaaak?
by 2GOOD123 May 31, 2009
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which is heavy in quantity,huge,big,laborious
yestarday it rained cats and dogs
by Naveen kumar P.C. March 07, 2007
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a secret way of letting a friend know that they have a booger.
a cat is a small one...a dog is a big or huge one.
hey...tara i think i see a cat or dog!
by laliepoppers17 April 22, 2008
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A literal explination for raining cats and dogs is that during heavy rains in 17-century England some city streets became raging rivers of filth carrying many dead cats and dogs. The first printed use of the phrase does date to the 17th centurey, when English playwright Richard Brome wrote in The City Witt (1652): "It shall rain dogs and polecats." His use of "polecats" certainly suggests a less literal explination , but no better theory has been offered. Other conjectures are the the hyperbole comes from a Greek saying, similar in sound, meaning "an unlikely occurrence," and that the phrase derives from a rare French word, catadoupe ("a waterfall"), which sounds a little like cats and dogs. It could also be that the expression was inspired by the fact that cats and dogs were closely associated witht the rain and wind the Northern mythology, dogs often being pictured as the attendants of Odin the strom god, while cats were believed to cause storms. Similar colloquial expressions include it's raining pirchforks, darning needles, hammer handles, chicken coops, and men.
Geeze, its raining cats and dogs out there!
by tree girl May 12, 2005
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The eternal war between cat-lovers and dog-lovers. Will never be resolved. May start fights with even the bestest of friends.
Me: Cat vs. dog, what's your side?
Friend: Dogs.
Me: I love cats more.
Friend: You serious?! Ew! Dogs rule!!!
Me: Are you kidding me? Cats rule, because dogs ACTUALLY DROOL.
Friend:

(Not real, just an example)
by Cat-person January 18, 2017
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