The Joker's on again off again girlfriend/side kick. When she's not with The Joker she can probably be found with Poison Ivy or Red as refered to by Harley. She used to be a clinical phychiatrist at Arkham Asylum until she fell in love with her patient The Joker. Ever since then she's led a life of crime, and has been in and out of Arkham herself. She refers to The Joker as Puddin or Mista J.
Joker: Harley where are my grenade marbles!
Harley Quinn: You left em in the car Puddin!
by Alice in Wonderlandd February 27, 2010
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This term originates from Batman's Harley Quinn, who first appeared in Batman the animated series and gained so much popularity that she was placed into the comic books.

When a character which originates from a cartoon gets placed into the comic books, or becomes canon.
Have you seen Chloe Sullivan from Smallville? She recently got Harley Quinned into the comics.

Are they really going to Harley Quinn that character? He's annoying enough in the cartoons.
by Dilandau December 27, 2003
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The jokers girlfriend/sidekick and one of the smartest, most bad, and hottest batman super villains whom actually killed boy wonder (robin) and uses her street smarts to get by
Person one- Did you see Harley Quinn in the suicide squad movie?

Person two- She sure was head over heals for her pudden.
by Harlsgirl August 17, 2016
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Gen: Harley Quinn is kinda pretty, I guess
Sky: you're kidding, right? She's hot as hell!
by HamburgerPlease April 4, 2017
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Joker's girlfriend.Although people think Joker's doesn't love Harley Quinn,he secretly does.Harley Quinn is a sexy sexy sexy sexy sexy sexy sexy,crazy, amazing acrobat who absolutely hates Batman.Harley Quinn for life! She is also Queen of Gotham city.
Amanda Waller: Harley Quinn is a crazy, energetic acrobat
Random person:Lemme guess, Joker's girl.
Amanda Waller:you are correct
by Joker's girl 2 0 0 8 October 7, 2017
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This definition is simple: Jokers Girlfriend. If you don't know who the Joker is you are just plain Stupid and that's what Google is for.
Hey did you hear Harley Quinn is in the movie Suicide Squad?
by Jaxsenlover January 17, 2017
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