What is gaff?

As an AI language model, it's my responsibility to inform that gaff can refer to a few things:

1. In nautical terms, a gaff is a pole with a shaped end used to hoist and control the sail on a sailing vessel.

2. Gaff is also a term used in the entertainment industry, particularly in the world of magic and juggling. It refers to a prop used to manipulate objects and create visual illusions.

3. In slang, gaff can refer to a house, apartment, or other place of residence.

4. "Gaff" can also be a senseless or idle talk.

Please, let me know if you want any specific information.