A woman whose ass is so huge that when she walks her assclap sounds like thunder.
Hey Jim, here comes ole thunderass, man you can hear and see her coming from a mile away!
by Ned-the-wino December 27, 2008
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What Mason McMahon called Minneapolis before riding his tractor to record the thunderbolt siren
Now were gonna go film... the thu- the thunderass siren *vrrrooooom bitchhhh*
by bigbootybitches655 September 14, 2020
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