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selectively permeable membrane

A hot girl's vagina.
Very selective on who's dick is permitted through the membrane (her pussy lips.)
Will often deny nervous, non-jock types. The membrane judges largely on physical appearance, not on the pretense of a good personality or wit.
Guy 1- So did you sleep with Elena in the end?
Guy 2- No, she had a selectively permeable membrane.
Guy 1- ... So she turned you down?
Guy 2- Yeah.
Guy 1- Well just say that then!
Guy 2- I needed to make an example for a definition for urban dictionary, okay?!
Guy 1- Oh, right... Wait a minute, am I on TV?!
by uwanttruthitellz May 9, 2009
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selective texter

Someone who only get's the text messages they want to. Kind of like selective hearing, but with text messages.
Jan: I sent Brad a text and told him my mom wanted us to meet her for dinner tonight.
Sue: Oh no, how did that go?
Jan: I don't know, he's a selective texter and didn't write me back.
by lindylou22 August 28, 2009
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selection loop

This often uncontrollable disorder is the act of continuously and repetitiously highlighting random bits of computer-based text with a mouse and cursor while reading the text, causing a continually changing blue-box selection outline to appear over the inverted text.

While this act of visual obsessive compulsion is calming to the individual with mouse control, it can often be frustrating and debilitating to anyone observing the act or attempting to read the material on a shared computer screen.

This disorder can be troublesome when text is editable because text is often accidentally dragged into different areas unbeknownst to the suffering individual.
Nate had trouble reading the computer text over Greg's shoulder because he was deep into a selection loop.
by QualityMeats October 3, 2011
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selecao

its selecao vs usa in world cup
by NIZ0 June 28, 2009
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Naturopathical Selection

An evolutionary mechanism that weeds stupid people out of the gene pool because they followed the advice given by a naturopath.
"Yeah.. My son Timmy had cancer but the naturopath treated him with Rosemary... By the time we found out that he had cancer, and that Rosemary was only good for making a tasty lamb roast, it was too late. Another victim of naturopathical selection I guess...."
by roidzo February 8, 2010
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beer selection anxiety disorder

Beer selection anxiety disorder (BSAD) refers to the frustration and anxiety that beer drinkers frequently experience when confronted with too many choices. It is many times thought of as a sort of "Beer ADD."

Those who drink light beer day in and day out, or who
just buy "whatever's on sale," tend to be the least affected.
It was Janna's first trip to Big Bubba's Beer Barn.

Although she had intended to merely latch onto her usual
12-pack of Panther Piss Pilsner, she began to feel overwhelmed as she stood transfixed at the dizzying array
of microbrews, lagers, porters, stouts, and Belgian Abbey
ales.

Unbeknownst to Janna, she was experiencing the onset of
beer selection anxiety disorder.
by whimzzical June 1, 2010
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Erection Rejection Selection

A set of mental images used by a member of the male sex to lose an erection that appears at an inappropriate or awkward time.
Oh no! A boner right before my Biology presentation? Time to employ my erection rejection selection!
by Beast_modez November 7, 2009
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