bumper sticker

American

noun

an adhesive-backed strip of paper for sticking onto the rear bumper of an automobile, usually bearing a tourist advertisement, slogan, joke, etc.

bumper sticker British

noun

a label affixed to the rear windscreen or bumper of a motor vehicle displaying an advertisement or slogan

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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bumper sticker

Often affixed inconspicuously to poles, they photograph the back of every passing vehicle and collect license plate data—as well as color, make, model and features like a bumper sticker or a gun rack.

From The Wall Street Journal ● Jun. 26, 2026

There can be a multiplier effect from supporters who gave only $5 but then displayed a yard sign or bumper sticker and talked to neighbors about their candidate.

From MarketWatch ● Jun. 3, 2026

My party’s bumper sticker would read, “A chicken in every pot and a Waymo in every city.”

From Slate ● Apr. 26, 2025

She had slapped a bumper sticker on her old vehicle that read "Bought This Car Before We Knew" in a veiled reference to Musk, but she felt that wasn't enough.

From BBC ● Mar. 10, 2025

I was puzzled to notice a yellowed bumper sticker on the back—War Is Not Healthy for Children and Other Living Things.

From "Schooled" by Gordon Korman

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023