Using an obscenity at an inappropriate time. Generally makes one look classless and lacking in proper etiquette.
Setting: The 83rd Annual Academy Awards

Melissa Leo, upon receiving the Oscar: "When I watched Kate
two years ago it looked so f***ing easy!"

James Franco/Anne Hathaway: Thank you Melissa for Pulling a Leo. Just one more thing to make this night a disaster.
by medicalert March 1, 2011
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When you confuse your side chick with your main chick.
Leo: "Hey Erin-I mean Ava." Me: Oh shit you pulled a Leo! You are pulling a Leo! (i just put that there cuz it wouldnt lemme publish it.)
by ShrekM8 February 22, 2017
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1.)To do something everyone doubted you'd ever be able to do (e.g. win an Oscar after multiple decades of failed attempts.)

2.)To give a handjob to anyone born from July 22nd - August 22nd
"I'd take my gilfriend to the party, but knowing her she'd probably pull a leo"

"You're right, she is pretty unpredictable"
by d.labe19 May 17, 2016
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Pulling a Leo is when you are talking to someone on an insant messenger and they give you their life story.
Person 1: Hey

Person 2: Hey, sup?

Person 1: Oh nothing, I just was like at this grocery store and I got like heaps of stuff and then I came home and played some video games, guitar hero 3 and final fantasy 12 to be specific. Then I went on here, you know, pushed the power button on the computer, turned on the monitor and then like logged in... And like long story short I'm on the computer right now and I'm sitting down on a chair, breathing, blinking, moving slightly every few seconds and typing.

Person 2: Pulling a Leo eh?
by Yomamsmsda March 22, 2008
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the moment when you are vigourously masterbating and you happen to jizz all over your wall
Last night i was jacking off and had no paper towels left, so i ended up pulling a leo
by vlado69 October 23, 2011
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To pull a leo is the act of smoking marajuana or any other herb on a motorized vehicle, discretely.
Leo: Fuuuuuuuuuuuuuuck josh we just pulled a leo!

Josh: Fuck you.

Leo: Yo, lets pull a leo today.

josh: Fuck you.
by wheretheweedat? April 17, 2011
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