- the last line of a play, story, speech, etc., used to clarify or dramatize a point.
- a phrase or catchword that becomes identified or associated with a person, group, product, etc., through repetition: Entertainers often develop tag lines, like Ted Lewis’s “Is everybody happy?”
- Machinery. (on a crane) a cable for steadying a suspended bucket at the rear.
- an amusing or memorable phrase designed to catch attention in an advertisement
- another name for punch line