During sex, when the male shits into the others vagina and continues to fuck it, then pulls out just in time before she squirts, to see it "blow up" with the shit.
Girl: What did you two do last night?
Girl 2: Girl he gave me a Scandinavian Volcano twice last night.
Girl 2: Girl he gave me a Scandinavian Volcano twice last night.
by Thatsadfrogmeme October 12, 2016
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