A Kleptomaniac is a person who is afflicted with Kleptomania, a compulsion to repeatedly steal "worthless" items, such as keychains and small fruit.

It is unclear whether it is due to depression, or people who are seeking more control of their life, but there are very few cases where diagnosed kleptomaniacs have stolen expensive items along the lines of jewelry and automobiles.
Winona Ryder was caught shoplifting several times at a grocery store, and is believed to be a kleptomaniac.
by David Salberg April 11, 2006
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a muthafucka that just can't seem to keep their hands of of other people's shyt. For example, a person who goes into Wal*Mart and just has the urgency to open a pack of permanent markers just to steal the red and green ones, or the crazy ass classmate that walks by and blatantly takes your brand spankin' new lead pencil off of your desk.
This kleptomaniac bastard just walked by and took my damn napkin...
by 20Breezy09 May 8, 2009
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A clever individual who shoplifts objects frequently from places of retail. Especially for someone they take interest in.
TJ is my favorite kleptomaniac, he stole this watch for me, I wear it everyday.
by Nikki828 March 23, 2017
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Someone who cannot resist taking a souvenir from every new place he/she visits. It can be something as simple as a pen of lollipop from a bank, ranging to a pair of wangster shorts belonging to a boy from another team at a track/cross country meet. Kleptomaniacs are known to make up codenames for stolen items and their owners. also for excessive giggling.
(Cassie and Annie enter XC bus, giggling.)
Annie: Hey, you guys didn’t hear any weird noises, did you?
Cassie: Yea, your mom made some crazy noises last night!
Monkey Face: No… why?
Annie: I will tell you later. Not in front of Britter.
Guillerno: Were you guys looking at trees?
Britter: Trees? Don’t you mean flags? (cackles maniacally)
All: NO! What are you talking about, Victor?
Coach: Yea, Victor, what ARE you talking about?
(All laugh at Britter’s silliness.)
(Later, on bus ride home, with Britter safely terrorizing middle’uns.)
Monkey Face: Okay, what is it?
Annie: Hold on. (lifts up shirt)
Monkey Face: Whaaaat? Oh my GOSH!
(A traffic cone has been revealed under Annie’s seemingly preggers belly.)
(Cassie and Annie cackle maniacally.)
Monkey Face: Yalls are serious Kleptomaniacs, dawg.
by Anelisa (Clepto4Life) December 28, 2009
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An individual who is compulsively, downloading, leeching, grabbing, stealing, data of the internet.
I cannot help myselfdownloading. I am compulsively downloading all sorts of files from the internt and leeching like theres no tomorrow. I grab what I can when I can almost as if a kid in a candy shop stealing all the sweets . I am a Cyber kleptomaniac a leech, help me.
by Firmstone June 18, 2008
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Someone who, when they find an offense that isn't nailed down, will take it, even if they have no connection at all to the person or group that would supposedly be offended by the "offense" in question. This malady is often found in those practicing political correctness, though not exclusive to them.
"What's he complaining about? He's not even affected, it has nothing to do with him whatsoever."

"Oh, he's an offense kleptomaniac."
by nohbody July 25, 2007
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-The sleepless stealer. A person who only steals or is a theif at night just for the heck of it.
narcoleptic kleptomaniac- Ex: A sleep walker or someone who thinks they're "Cat Woman."
by Niqua @@ November 7, 2010
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