Bang-bang

Full definition of bang-bang

Adjective

1. (control theory) Applied to a kind of feedback control, or controller, that switches abruptly between two states.
2. (baseball) Of a play, very close between being an out and being safe.
• 2006, Dom Forker, Big League Baseball Puzzlers, page 41,In a game between Los Angeles and host Cincinnati, the Dodgers second baseman is called out at first base on a bang-bang play.

Usage notes

(baseball) usually used in the form bang-bang play, however sometimes the word 'play' can be omitted. For example, bang-bang at first base.