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Glitch in a chat or instant message program that makes chat posts fail to appear.

Origin: Bazooka Joe-era kids' joke or riddle, "What do spooks have for breakfast?" Answer: "Ghost Toasties and Vanishing Cream" (after Post Toasties corn flake cereal).
"I'm going to have to switch screen names; I have the ghost posties. My comments aren't appearing."
by Trog2FdUp2C1 May 25, 2009
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