pucker

Etymology

Origin obscure. Perhaps continuing Middle English pukkeren (“to hoard, save”, literally “to sack, stow away in a poke or bag”) with a change in meaning (compare to purse (“to pucker”)). Alternatively, perhaps a direct alteration of poke (verb, or the noun meaning "a small bag").

verb

1. (transitive, intransitive) To pinch or wrinkle; to squeeze inwardly, to dimple or fold.
   1893, Arthur Conan Doyle, "The Adventure of the Crooked Man".#*: He had a very dark, fearsome face, and a gleam in his eyes that comes back to me in my dreams. His hair and whiskers were shot with gray, and his face was all crinkled and puckered like a withered apple.

noun

1. A fold or wrinkle.
2. (colloquial) A state of perplexity or anxiety; confusion; bother; agitation.
   What a pucker everything is in!" said Bathsheba, discontentedly when the child had gone. "Get away, Maryann, or go on with your scrubbing, or do something! You ought to be married by this time, and not here troubling me!" 1874, Thomas Hardy, Far From the Madding Crowd.