where the sun don’t shine

where the sun don't shine

1. In any location not reached by the rays of the sun. ("Don't" is used as a colloquial way of saying "doesn't.") She wants to go spelunking for her birthday, but it gives me the willies thinking about clambering down into some cave where the sun don't shine. Deep-sea researchers have discovered several new species of fish in the darkest parts of the ocean where the sun don't shine.
2. vulgar slang In one's anal or vaginal cavity. The doctors want to stick a camera where the sun don't shine to check for cancerous polyps. I'm terrified of a tampon getting stuck where the sun don't shine, so I've always used pads instead.
3. vulgar slang Used figuratively by extension when one expresses their abject disdain, contempt, or disregard for something one has or is saying. (Used especially in the phrase "stick/shove (something) where the sun don't shine.) Why don't you stick all that pretentious rubbish where the sun don't shine, eh? A: "How did you end up in jail?" B: "Well, the officer tried to give me a parking ticket, so I told him to shove it where the sun don't shine."
See also: shine, sun
Farlex Dictionary of Idioms.

where the sun don’t shine

in. in a dark place, namely the anus. (Often with put it or shove it. Part of the answer to the question Where shall I put it? Always with don’t; never with doesn’t.) For all I care you can shove it where the sun don’t shine.
See also: shine, sun
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • where the sun doesn't shine
  • where the sun don't shine
  • rays
  • climb out
  • happy birthday
  • wearing
  • give (one) the willies
  • give you the willies
  • get some rays
  • grab some rays