English

Adverb

in-off ‎(not comparable)

1. (snooker, pool) Of the cue ball: (going) into a pocket, after cannoning another ball.
   • 2008, John Dee, The Telegraph, 2 May 2008:

     Hendry replied with 34, but went in-off attempting a double and next season's world No.1 returned to the table to put the frame beyond doubt and level at 4-4.

Noun

in-off ‎(plural in-offs)

1. (snooker, pool) When the cue ball accidentally goes into a pocket after striking the object ball.

   He looked set to win the frame, until the in-off from the yellow.

Synonyms

• (in English billiards): losing hazard