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Similar to an assgremlin, but more violent and usually a pananian marsh beaver. Manganaro is a known buttromper, and so is anyone else found travelling with him in the mango-van. Other buttrompers include sprod, most pananian marsh beavers and possibly dabaja.
"Robert is a convicted buttromper."

"Robert was buttromped by sprod."
by D.E March 20, 2004
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