A person who gets so much pussy as to be considered as a vagillionaire.
MAN, Pete's so baller, he must be a vagillionaire.
by Devin and Radha September 06, 2007
Something you call somone who has sex with millions of girls.
Dude, you are such a Vagillionaire, i heard you slept with the whole cheer squad, twice!
by Obiiterate July 26, 2010