Meaning that a child copies their parents. Usually if the thing the child copies is a bad thing. eg; drugs, alcohol, criminal offences, adultery.

an irish saying.
Susan: Did you hear that Jane cheated on her husband with another fella?

Margaret: Aint that strange? Her mother did the exact same thing 10 years ago.

Susan: Well, you know what they say. Black cat, black kitten.
by gee;x. June 1, 2011
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A person who does not fit in to any group. The strong silent type, always observing and analyzing situations before getting involved. May have a lot to say but does not say it. Often settles problems alone and is more than capable of it. For the few who get to know him/her a close and loyal friend they will find. A black cat is a nomad, forever roaming the world. A black cat may seem shy to some but make no mistake, he/she is merely bored and is thinking of greater things. Black cats are not judgemental and are easy to confide in. A beloved friend, though not always around. They may not understand your affection toward them, but will always return friendship. A black cat is extremely good at figuring people out, as a result black cats fall in love easy after accepting all your faults and your trust. They can fall for more than one person resulting in bad luck. When a black cat is your lover only death can keep you apart, but not for long. The person you want to cross paths with, The perfect lover and loyal best friend, a black cat roaming.
Woman| That man is perfect!!! And awesome in the bedroom!!!! I'm going to marry him. Where did he go?
Man: He left town...
Woman:WHERE?! WHY?!?
Man:He's just a black cat roaming now....
by Pumpkin Eater #13 Black Cat August 23, 2014
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To always try to trump someone else in a conversation.
An example of black-catting is "I have a black cat."
"Yeah, well my black cat is blacker than yours."
by Shackleford Hurtmore May 25, 2012
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Some believe they're bad luck. Some say that's racist. I say Its just a cat it's not racist or bad luck. Well it is bad luck if you're a mouse.
-A black cat! Oh no! That's bad luck!
-You racist.
by EmmaBemma1 October 1, 2019
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Mostly well-known as a major brand of fireworks. In a classic episode of "Reno 911", the two black cops, Officers Jones and Williams go to the home of a weird hippie who is stockpiling fireworks that are illegal.

So Officer Jones picks up a package of Black Cat fireworks, saying "You know Black Cat's are illegal in the state of Nevada." The hippie responds with "You guys are a couple of black cats."
My friend accidently shot me in the face with some Black Cats. So I accidently smashed his face with my fist.
by John Kerry February 1, 2005
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an illegial firework
and in an Hollywood Undead song called Scene kids for dummies
they say
"I could barely walk around cause the dance floor was so packed
I walked to the back and lit off some black cats - BAP BAP BAP hahaha!"

"I could barely walk around cause the dance floor was so packed
I walked to the back and lit off some black cats - BAP BAP BAP hahaha!"

by Valagin March 25, 2006
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Small firework that you throw in people's lawns when they least expect it.
OH SHIT! I just threw a black cat in someone's mouth!
by Chris December 16, 2004
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