A tool consisting of a large metal hook with a handle or pole, especially the one used to pull large fish aboard a boat.

A minor error or faux pas, a gaffe.

A trick or con.

(nautical) The upper spar used to control a gaff-rigged sail.

(LGBT) A type of tight, panty-like underwear worn to hold the male genitalia tucked backwards and make one's genital region look smooth, as if one had a vulva.

Rough or harsh treatment; criticism.

(Ireland; Britain, especially Manchester, Cockney and Glaswegian; slang) A place of residence.

(informal, uncountable) Clipping of gaffer tape.

To use a gaff, especially to land a fish.

To cheat or hoax.

(transitive) To doctor or modify for deceptive purposes.

(slang) To gamble.

(transitive, informal) To affix gaffer tape to, or cover with gaffer tape.