bumper sticker

1. N-COUNT A bumper sticker is a small piece of paper or plastic with words or pictures on it, designed for sticking onto the back of your car. It usually has a political, religious, or humorous message. 保险杠贴纸

...a bumper sticker that said, "Happiness Is Being a Grandmother."

...保险杠贴纸上写道：“当祖母很幸福。”