The act of ejaculating in someone’s mouth then proceeding to put both thumbs in their mouth and making a large smile on their face with your semen.
Last night while watching Batman I turned my girlfriend into the Joker.
by Jym laidherr November 17, 2020
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When a person eats out a girl on her period then comes up for air, the girl reaches down and smears the blood into a Joker smile.
Girl, it was that time of the month but he still wanted to go down on me. So I reached down and gave him a Joker.

The Joker- best thing to do to a man if he eats you out on that time of the month.
by Dirty-J95 July 13, 2019
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the act in which a male is having sex with a female while on her period and then pulls out to slap his penis across her mouth.
Hey dude, did you ever see the Batman movie? i made my girl look like the joker last night!
by Dirtier Than Dirt December 25, 2007
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When a man has sex with a girl on her period, he takes his dick out and rubs it on her lips making it look like The Joker from The Dark Knight. When she gets pissed, ask her "why so serious?"
"Joe gave me The Joker last night, it was disgusting."
"HAHAHAHAHA!!!"
"Thats not funny!!"
"Why so serious?"
by timx21 January 25, 2012
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While having sex you finger the girls ass and make sure to get her poo on your finger. When ready, you pull out (before during or after cumming as it does not matter.) and smear her poo from one cheek, across her lips to the other cheek. When she gets mad at you, simply ask "Why So Serious?".
I gave her the joker last night. After I smeared her poo from one cheek to the other via the lips she got all mad at me. So I asked her "Why so serious?"
by Ian's Mustache November 3, 2009
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A sexy stealth face blasting move in where you pull your "dork" out and blow your load in a smiley face motion on the girls/boys face and when they are just about to yell at you, you say "WHY SOOOO SERIOUS!?!?!?"
I gave my bitch the Joker last night...we laughed all night long...she's all smiles now!
by Smokin' Joker September 12, 2008
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When you are havin sex with a girl while she is on her period and you pull out, wipe her blood on the sides of her lips into a smile and say "let's put a smile on that face."
My girlfriend dumped me cause I just gave her the joker.
by Day Pass July 1, 2009
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