Top definition
1. noun. When you put a girl upside down, open her pussy up with pliers, then fill her vagina with water. When her pussy is stretched far enough, you plunge your head in. Named after the man who discovered the Pacific Ocean.
Jake: Hey man, I heard you gave Jessy a real Vasco de Gama last night!
Jonathan: Yeah haha, I hadn't felt like that since I was in my mother's womb!
Jake: Awesome.
by cricketycricket June 23, 2017
Happy St. Patties Day!