all vine and no taters
Appealing but lacking substance. Patty is beautiful but ditzy, truly all vine and no taters. I thought this report would be groundbreaking, but it's all vine and no taters.
all vine and no taters
Rur. to be all display with no real value. She's a good-looking woman, but really she's all vine and no taters. Don't be fooled by Jim's flowery promises. They're all vine and no taters.