noun
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.
(LGBTQ) A type of tight, panty-like underwear worn to hold the penis and testicles tucked backwards and make one's genital region look smooth, as if one had a vulva.
verb
To use a gaff, especially to land a fish.
To cheat or hoax.
(transitive) To doctor or modify for deceptive purposes.
(slang, obsolete) To gamble, especially by tossing coins.
(transitive, informal) To affix gaffer tape to, or cover with gaffer tape.
noun
Rough or harsh treatment; criticism.
(dated) An outcry; nonsense.
noun
(UK, Ireland, slang) A place of residence.
(UK, slang, dated) A disreputable, low-end theatre.
noun
(informal, uncountable) Clipping of gaffer tape.