Slang for champagne, made "famous" by a line in Lady Sovereign's song 'Love Me or Hate Me'
John: Dude, wtf was Lady Sovereign saying when she sang "I don't like drinkin' fancy champy, I'll stick with Heineken beers?"
Alex: She doesn't like champagne, only beer.
Noun : A person that has exceeded the rational exceptional champion-like behavior and has been bestowed upon the word "champy"
VO :"I JUST ATE 1 BAGEL WITH CREAMCHEESE, A OVERSTUFFED RUEBEN, AND A BOWL OF CHICKEN NOODLE SOUP ! in one sitting..."
BRI BRI : LIKE A CHAMPY !