Noun
bumper-sticker (plural bumper-stickers)
Alternative spelling of bumper sticker
(US) An adhesive label or decal, usually applied to the bumper or back end of an automobile, and displaying a short political, promotional, philosophical, or humorous message.
Synonym: (UK) car-sticker
He has a bumper sticker on his van that reads "faster than a speeding ticket".
(US, figuratively) Said of canned insight; a slogan or saying that is trite or lacks depth.
bumper-sticker philosophy
bumper sticker
But not once did I see a sign or bumper sticker that did any more than chastise LePage in decent, aboveboard terminology. Source: Internet
He also carried an envelope of anti-government materials that included a bumper sticker with the Thomas Jefferson slogan, "When the government fears the people, there is liberty. Source: Internet
Goldwater's campaign message was best symbolized by the bumper sticker displayed by supporters claiming "In your heart, you know he's right." Source: Internet
I stuck an Obama sign in my yard and a campaign bumper sticker on my old Corolla. Source: Internet
As the bumper sticker says: if you're not angry, you're not paying attention. Source: Internet
But I didn't want to come off sounding as trite as a bumper sticker. Source: Internet