1. When you deliberately cheat on your girlfriend/spouse by performing inappropriate sexual actions, while later being mad at your gf/spouse for cheating on you.

2. Leaving the continent and worrying about your gf cheating on you while you are absent.
Joe: Dude, I'm in f***** Asia and my gf kissed that other b*****!

Girlfriend: What are you talking about?!? You got a f***** hand job a month ago!

Bystander: Aww Joe it's never good to "pull a sean"
by su madre. June 28, 2009
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To do something incredibly slutty and/or dim-witted.
1) When John Doe slept with his friend's wife, he did pull a Sean.

2) When John Doe tripped down the stairs, he pulled a Sean.
by Rob Feind August 22, 2006
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When one character, not necessarily named Sean, proclaims that s/h/it "needs more independence" and promptly slinks away,emotionally speaking, from the relationships. The devastation left in her/his wake is not always intentional
He's trippin' that you're pulling a sean? Why should s/he have a problem ?
by dorkwithaknife October 29, 2008
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to get hurt in any way and get on the ground crying doing the worm and throwing things while freaking out on your friends that are there
Damn he started pulling a sean when i shot him in the eye with a nerf gun.
by alexd757445 July 26, 2008
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