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1. A word, originating in the projects of Belchertown MA, used to describe a particular idea that can not be expressed from the use of one single word or phrase.
-Yeah man, you know what it's about when I frog lumped all over your carborator last night!
-Yeah man, that was frog lumpin'!
by Evan "Frog Lumpin'" Olivier May 24, 2004