when someone pulls the handle on a car door at the same time the door is being automatically unlocked resulting in the door remaining locked.
"Can you please unlock the door again I did the girl thing."
by skibum humm November 26, 2009
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Any concept which alienates and confuses males.
Shoes, handbags, crying...it's a girl thing.
by Kung-Fu Jesus June 21, 2004
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A way of describing an ambiguous relationship between a man (or woman) and another woman. The individuals have sex, and have a close personal relationship, but the woman in question is not defined by her lover as a girlfriend, so she can only be referred to as a 'girl thing'.
person 1: what's up with chris and laura, they live and sleep together, are they going out?
person 2: no, she's just his girl thing.

Are they friends with benefits? Are they in an open relationship? We don't know, so we'll call her a girl thing.
by super-trooper March 25, 2010
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A 2006 movie starring Samarie Armstrong and Kevin Zegers set in the USA, but released largely in the UK. It has a kick-ass soundtrack and is ridiculously funny, well in my opinion it is.
Girl 1: Have you seen the movie It's a boy-girl thing?

Girl 2: Yes! OMG! That Kevin Zegers looks just like Zac Efron! SOOO HOT!
Girl 1: But did you like the movie?
Girl 2: Yeah, I did, and it was pretty funny too.
by IamsamasmaI September 6, 2010
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