When a girl blocks another girl from picking up a guy or from getting laid by a guy.
Sandy tried to pick Tom up and she was box blocked by Lana.
by Christine84 February 18, 2008
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1.when something stops you from gettin with someone, not just for sex. someone stops your flirtin, makes you really pissed.
2. cry for help when a guy is trying hard to get a piece and you dont want him too, you tell your friend to box block.
1. i was flirting with him all night and then right when he was warming up that bitch came and box blocked me!

2. that guy was getting all up ons so i texted my friend to box block.
by vi.x April 11, 2008
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Female equivalent of cock blocking. To hinder a girl's chances of a sexual encounter.
Mary had to sit between me and the guy I was interested in and talk about her ex. She keeps box blocking me!
by Savannah4u November 14, 2013
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I was hitting on that guy till she totally box blocked me
by RazMutant January 25, 2008
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Block box is refered to as a nighoborhood stash spot for drugs ,guns or money
Yo shawn, where's my bunner @ ? "Teebo says" It's on 4th in the block box.
by Jaydee bruhh December 7, 2017
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