One who is incapable of winning a fruit racing match. if you are naming a person a 'krista' they generally will try to trick you into believing they have won. When defeated both in the match and the battle of wits they will end with 'for crying out loud!'.
k:"im about to win guys!"
t: "nice roll no roll."
H: "yeah, you're such a krista."
k: "are you kidding me? my lemon was CLEARLY faster than your honeydew"
T: "typical krista."