What is Selectively Permeable Membrane?
1.
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?!
See
Random Words:
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do not worry about it. In other words forget about.
Dont't even trip dawg.
If a person fucks your car up you tell him don't ..
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Fantasically Invisible
"This new invisible death glider is invisotasic!"
"Agreed! Such a fantasic invisble ship!"
..
