Top definition
Poon so stretched out that it claps like thunder when the girl is jogging.
Gina has eight kids and a bad case of thunderpoon.
by Jidam December 04, 2015
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2
An explosive dildo that explodes when inserted 5 inches into the vagina or rectum.
After using her thunderpoon for the first time, Stacy wasn't able to sit for a week.
by BBQribs7 March 27, 2016
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