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When one cums uncontrollably like a volcano.
Girl #1 "Hey girl, we sure gave my husband a volcano dick last night huh?"

Girl #2 "Yeah we did, he wouldn't stop cumming!"
by ThePonyLover92 July 02, 2017
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2
When you are so fat that the skin around the base of your shaft becomes so plump that it starts to engulf your dick.
How big was his dick?
Iā€™m not sure, he had a volcano dick.
via giphy
by ggnoodles July 23, 2018
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