fully blank; utterly confused.
My mind went blankety-blank when I was asked whether I knew her.
by uttam maharjan May 22, 2011
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An awesome Australian game show, hosted by Graham Kennedy in 1977. Where contestants try to match missing words with the celebrity panel.
Me: Let's watch Blankety Blanks!

You: Yeah!!
by Edward Doory August 7, 2010
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