A metal hook or spear used by fishermen or butchers to lift and maneuver heavy objects: The angler used his gaff to lift the fish from the net into the hold of the boat.

To fix or to set up for cheating: The gambler was known to try to gaff in order to deceive when playing cards.

Social awkwardness or a diplomatic blunder: Aileen was deeply embarrassed by her spoken gaffe at the garden party.

When Jerome was introduced to Sally, he realized that he had committed an embarrassing gaffe when he didn't pronounce her name correctly.