(intransitive, idiomatic) To waste effort on a futile project.

(Britain) A firework that makes a bang. / (sexuality, slang) A person who has sex. / (automotive, slang) An old, worn-out car. From a stereotypical one backfiring, making banging noises.

(Britain, New Zealand, informal) A meal of sausages and mashed potato, usually with onions and gravy added.

(obsolete, nautical) A 19th century vessel used to fish for cod using codlines

plural of banger

plural of cod-banger

(archaic) second-person singular simple present form of bang

plural of old banger

(UK, slang) A decrepit car.

(fandom slang) The ship of characters Buffy Summers and Angel from the television series Buffy the Vampire Slayer.