The Clue Made a fast stop?
The Answer ATE
The answer "ATE" fits the clue "Made a fast stop" because it plays on the word "ate." When someone eats quickly, they might be said to have "made a fast stop" for food. The clue uses a clever wordplay where "stop" refers to taking a break to eat. So, "ate" captures both the action of eating and the idea of pausing briefly.