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Natural Selection

Natural selection occurs when having to select candidates from a plethora of curriculum vitae.

The cv's are discarded except 1. The rationale is; for this vacancy, we need a candidate who is lucky.
- There's the new guy we hired via the natural selection recruitment program.
- But he's worthless..
- I guess he just was lucky.
by aartjan April 2, 2011
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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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Related Words

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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Semen-Boarding

When A LOT of semen is poured over the face of an immobilized captive, causing the individual to experience the sensation of drowning in semen.
-"Hey masturbate into this cup for me"

--"WTF? Why?"

-"For America."

--"What?"

-"I'm in the middle of semen-boarding this terrorist, and I ran out of semen"
by Honestly, I'm batman. August 6, 2011
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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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semen sleeper

One who sleeps in sheets that recently have had semen on them
"I havent washed my sheets in a week."

"Kampbell your a semen sleeper"
by hookem1961 June 18, 2014
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morgan semen

Verb: When a person ejaculates onto a picture of Morgan Freeman.
by BubbyRoons January 16, 2015
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