Baking powder?

Used instead of "beg your pardon?" as in the very awesome Wayne's World.
by KAP84 July 29, 2008
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blast of baking powder

When you're biting into a waffle or other baked good whose batter has not been mixed well, and you receive a "blast" of uncooked dry ingredients - including the baking powder used to make it rise.
"Wow, Nora, I just got a blast of baking powder on that bite."
by Andy February 11, 2005
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