1 definition by Niko Jones
A party centered around the Nintendo Wii gaming system. A combination of the words "Wii" and "Fiesta".
Niko: Dude I totally just got Super Smash Brothers Brawl. We should totally have a Wiiesta!
Steve: Dude, you're so gay.
Steve: Dude, you're so gay.
by Niko Jones March 12, 2008