1. superlative form of chaffy; containing the most chaff or resembling chaff
Usage: rare; technical or agricultural context
2. superlative form of chaffy; most resembling or characteristic of light banter or teasing
Usage: informal; British English

Examples

• The chaffiest grain samples were separated from the rest during processing.
• Of all the siblings, he was the chaffiest, always making jokes and light remarks.
• The chaffiest part of the wheat harvest required careful winnowing.
• Her chaffiest comments were meant in good humor, though sometimes misunderstood.