The most complete glossary of backgammon terms
A dice roll made by a player before the opponent has ended his turn by picking up the dice. Under U.S. rules, the premature roll is invalid and must be rethrown. Under BIBA rules, the premature roll stands but the player who did not pick up the dice may change his play in light of the new information.
An unexpectedly poor roll, especially one that fails to hit or fails to make a point.