sticker

Etymology 1

stick (“to pierce, to be fastened, to adhere”) + -er (“agent”)

noun

1. Something or someone that sticks (pierces, or adheres).
   […] and I said to Mr. McCauley, whatever is the matter with your neck, it is all swelled up, and he said he got it in the mill; he said he had an arm load of wool and a sticker stuck him in the neck, here (indicating the right hand side of the neck just below the jaw). 1918, Decisions of the Courts of Pennsylvania (Supreme, Superior and Common Pleas), in Workmen's Compensation Cases, page 158
   The prisoner fell flat on his face. They dragged him again, this time towards the grove of calafates. They lifted him up there and they threw him in the middle of the bushes. The boy screamed. Thousands of stickers pierced into his flesh. 1982, Fernando Alegria, Fernando Alegría, Chilean Writers in Exile: Eight Short Novels
   When the prickly pear stickers pierced their paws they howled with pain, but they kept running. Sinopa, who hated the fighting, had followed her brothers. She shot a magic arrow over their heads, which pushed the brothers to safety, […] 2010, Valerie Estelle Frankel, From Girl to Goddess: The Heroine's Journey through Myth and Legend, McFarland, page 212
   He toppled backward, landing on a particularly large cholla and crying out as hundreds of stickers pierced his flesh. 2013, Cathy McDavid, Cowboy for Keeps, Harlequin, page 118
2. One who sticks to something, or does not give up; a stayer.
   He's a sticker. He was a goer to the end in all he did — and in Rugger outstandingly […] 1930, The Strand Magazine, volume 80, page 321
3. An adhesive label or decal.
4. A price tag.
5. (by extension) The listed price (also sticker price).
   When buying a car, know the sticker and the invoice price.
6. (Internet) A cartoonish illustration of a character that represents an emotion or action, often accompanied by text, that may be superimposed on a digital image.
7. (informal) A burr or seed pod that catches in fur or clothing.
8. (colloquial, dated) That which causes one to stick; that which puzzles or poses.
9. A wooden strip placed between courses of lumber to allow air circulation (also kiln sticker).
10. (music) A small wooden rod in an organ which connects (in part) a key and a pallet, so as to communicate motion by pushing.
11. A brand, label, or company, especially one making and distributing records.
12. (US, politics) A paster.

verb

1. To apply one or more stickers to (something)
2. To mark as the sticker price
   Also out of Africa: a huge hammered copper floor mirror stickered at $449. February 28, 2009, Rita Zekas, “DecoRita visits West Elm”, in Toronto Star

Etymology 2

stick (“sticky”, adjective) + -er (“comparative”)

adj

1. (nonstandard, informal) comparative form of stick: more stick (stickier).
   A sticker type of glue that always stays sticky.