Noun: gaff Pronunciation: ( gaf ) Gaff meaning: A spear or spearhead for taking fish or turtles. A long handled hook for holding or lifting heavy fish. Someone's building. The gaff looks something like a hook for all those who do not know. She hangs out at her fathers gaff all the time. She loves that place. They own a very big gaff in the town. To gaff a trap, you have to do it against the tide. I have been trying from past one hour to gaff it. This month we will be staying in a gaff and we will be waiting for our goods to be delivered. They all were throwing stones at my gaff out of anger.