1 definition by PikachuCostumeWearer

Top Definition
When you want to post something on someone's Facebook wall, but the fact that the information concerns someone else who might see deems the information un-postable on the wall, therefore unwallable.
Person 1: Dude that is HILARIOUS I need to put that on Vicky's wall
Person 2: Dude it's unwallable, Sasha's friends with her on Facebook
Person 1: Dude you're so right, close call!
by PikachuCostumeWearer September 02, 2011
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