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1.
The sensation of needing to throw up immediately prior or immediately after climaxing with a woman. This usually starts with mild rumblings but eventually lead to the full on feeling needing deposit the contents of one's stomach.

Also, the beauty of said partner can come into play when your body debates which eruption to let loose first. The better looking the partner, the closer your barfing will be to the skeeting, or post coitus. The worse looking your partner is, the harder it will be to withold the gastrointestinal blast.

Can be used as a verb, such as "I was Dante's Peaking or I Dante's Peaked last night."
I totally had a Dante's Peak moment with Kristina last night. I literally ran to the bathroom after I busted.
by The San Jose Sensation March 15, 2011