To court, and flirt with a female/male in a relationship, while trying to make their significant other seem worse, and waiting for them to fuck up, so you can grab the rebound.
David: Jordans with that asshole Jeff man.
Adam: Chill, just Box Out for the rebound.
by AkonandYoungJeezy August 24, 2011
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When she sits on your face until you pass out.
Becki is gonna make me box out tonight
by Kody Sutton November 29, 2017
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When a guy eats out a girl then makes out with her. Like a make out but with pussy juice all over your mouth.
Yo bro, i went down on this girl for hours last night then immediately made out with her. I boxed her out real hard.

My boyfriend was eating me out and I came but then he came right up and made out with me! I got boxed out!
by Puppies McGee April 15, 2010
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To physically locate yourself such that other people cannot converse with the person you or your friends are talking to.
Rufus, box out all the frat boys so Cornelius can run game on Portia.
by 4dm1n December 11, 2008
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When someone (very typically a male) acts in a way that is usually representative of a female. Can also be applied to express general disgust or discontent at one's actions. See examples below for clarification.
Matt: She was never into him in the first place. I can't believe that he's still upset about me hooking up with her; he's been boxing out for an entire week now.

Darryl: Nah, he's not coming out tonight. He's staying in to play video games. He totally boxed out on us.

Brice: He said that he MIGHT show up. Chances are that he'll just box out.
by Brice James August 22, 2007
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1. To not let someone achieve their full glory. To stop someone from getting what they want.
2. To do something which causes a person to do something that they do not want to do.
3. To complain about being boxed out of something.
1. Mark: Did you see how i boxed that little kid out of candy? That was hi-larious!
2. Joey: That older kid took my bike, so he boxed me out of getting home early!
3. Joey: Guys! Quit boxing me out! Seriously!
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