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1. The drastic increase of wieght, general in the assel region. This rapid increase of poundage is attributed to the interior explosion of meats and meat substitutes. 2. A hamburger is eaten and followed by an explosion, then *BAM* your ladies ass is huge!
1. damn, Amy's a victim of the hamburger explosion!!
2. what happened to her ass man, she used to be hot? "Hamburger explosion is what happened"
3. Jesus, looks like that girls been eating some exploding hamburgers.
by The burgler January 14, 2007
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