wave somebody off
wave somebody good-bye
wave somebody goodbye

I assume she didn't go out there in the cold and wave them off.

She waved them off and got into her chief's car.

I started to ask another question, but she waved me off.

Occasionally the women waved them off, and again they came right back.

I would have gone to his assistance, but he waved me off, and wouldn't hear a word.

I offered him some coffee, but he waved me off.

She offered to let me drive but I waved it off.

She only waved him off, trying to think it through.

Although he got up inside the count, the fight was waved off.

Pat's eyes got hard and I waved him off before he could say anything.