N-COUNT （贴在汽车后保险杠上、通常印有政治、宗教标语或幽默言语的）保险杠贴纸 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. （贴在汽车后保险杠上、通常印有政治、宗教标语或幽默言语的）保险杠贴纸
...a bumper sticker that said, 'Happiness Is Being a Grandmother'.