Crossword puzzle clue "if you have it you might know what this answer is without reading the clue"

If you have it, you might know what this answer is without reading the clue

Answer, when pointing to this answer, to the question "Which letters answer this clue?"

"Did you figure out the answer to this clue?" answer

What you might say when you suddenly realize the answer to this clue

Sleeveless summer wear, or what each answer to a starred clue might be said to have

Sounds you might make when I say "Would you rather watch your parents have sex or have your parents watch you have sex?"

Answer to the riddle "What has rivers without water, forests without trees, and cities without houses?"

"I don't know the answer to this clue!"