1. making something soft and full of air by shaking or beating it
Usage: present participle of fluff
2. making an error or mistake, especially in performance or speech
Usage: informal; present participle of fluff

Examples

• She was fluffing the pillows before the guests arrived.
• The baker was fluffing the egg whites for the meringue.
• He kept fluffing his lines during the rehearsal.
• The comedian was fluffing the punchlines all evening.
• Mom was fluffing the comforter to make it more comfortable.
• The actor was nervous about fluffing his big scene.