by gnostic3 January 1, 2015

When one man, in the process of tag teaming a girl, prematurely ejaculates inside said girl before the other guy has a chance to take his turn. There after the premature ejaculator's friend either has to make the all or nothing decision to follow up or call it a day.
"Kyle and I tag teamed this chick. Sure enough about a minute in to it he Gonzo Melvin'd her and I had to follow up. It was the mosting disgusting moment of my life."
by MacDintons4Life April 15, 2009

A velvet melvin is blowjob given by a toothless meth whore. If you're lucky, said meth whore will have bleeding puss filled herpes sores in her mouth.
by dickslop February 16, 2012

by James Melvinich December 7, 2004

by Mr. Squiggles May 3, 2005

Inasmuch as sex, a peach melvin if you will can also regard the orgasm of a large farm animal. I.E: Horse, Cow, Moose, Teridactyl
by melvinizer May 5, 2005

Traditionally a sexual act where a women licks the mold and dirt from a dirty and unwashed partner. This started in early asia when mold was thought to be a delicacy.
by chachaddict April 14, 2009
