The act of banging your girlfriend, then while fucking her, spread her ass cheeks, puke in her butt hole, than smack her ass and watch it spew out... like a volcano
The sexual act of a man covering his penis in frosting and pop rocks then commencing to receive oral from the female. Quite stimulating for both partners.
When a woman is in a very cold environment, it causes her breasts to shrink and compress until the contents of her breasts experience so much pressure that milk violently shoots out of her nipples.
Clarence: Dude yesterday I grabbed a handful of snow and stuffed it down my girlfriend's shirt, and it triggered an ice volcano. That shit was so powerful it gave me a black eye.
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 Volcanotwice last night.