The act of cupping ones hand over your butt hole when farting, capturing the gaseous emission in your hand and delivering it to someone elses facial area, the phrase "fuego" should be spoken upon delivery.
Man, I Fuego'ed my wife last night while watching TV
A word that originated from popular cult sitcom "Malcolm in the middle". Used to describe somebody who is attractive. Word originates from spain meaning "fire". Can be used in many different contexts. You can also put a prefix "in" infront of the word to emphasize.
"Did you see that chick yesterday? She was FUEGO"
"Yeaaaah dude, waaay infuego!"