wall shy

Someone who gets very self conscience when writing on someone else's Facebook wall.

"Don't look at what I'm typing, I don't want to be around when you see it because I'm wall shy."

by awesomeracer September 29, 2009

three walls shy of a full house

Not very bright and lacking in any common sense whatsoever

Well, bless your pea picking little heart! You are about three walls shy of a full house, ain’t you? That’s what you get for sticking your finger in an electric socket!

by Dcstrutter November 12, 2023