"Spiel" refers to a persuasive or sales pitch, often delivered quickly and with enthusiasm. It can be used to attract attention, promote a product or idea, or persuade someone to take a specific action. In the context of the clue "Fast pitch," it likely refers to a quick and enthusiastic sales or promotional message.
Note: The provided meaning of the answer is for the latest New York Times crossword puzzle clue: Fast pitch?. Explanations are generated by AI and may be inaccurate.