This story, one of the winners of the first Fifty-Five Fiction contest in 1987, has to be one of my all-time favorites. It meets the criteria of MY FIVE-UNS:
See if you agree.
The scantily clad hitchhiker knew she was in trouble the moment she stepped into the car.
The driver gazed disapprovingly at her costume. "Looking for some fun?"
"No…I'm just going to the beach."
"Think so? Well, I've got other plans for you, sweetie, and they don't include beaches.
"Guess I'm grounded, huh, Mom?"
Dick Skeen, "Headed for Trouble," in The World's Shortest Stories, ed. Steve Moss (Philadelphia: Running Press Book Publishers, 1998) p. 105