It's used when you see something (person, clothes, food, etc.) thats gross. Used in same situations as "Oh my gawd"
Becky: "eww my gawd! look at that shirt she's wearing!! so last year!!"
Lucy: "tell me about it! eww my gawd this salad is all wilty!"
Lucy: "tell me about it! eww my gawd this salad is all wilty!"
by hoopsgirl August 30, 2007