JUMP BALL

PRONUNCIATION:(JUHMP bawl) 

MEANING:noun:
1. A contest too close to call.
2. An undecided situation or one with no preference.

ETYMOLOGY: From the game of basketball in which, to begin or to resume play, an official throws a ball up between two opponents. Earliest documented use: 1924.
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JUMP Y'ALL - Fort Polk (LA) Drill Sergeant's command

DUMP BALL - proposed slogan of a campaign to discredit Lucy during the height of the McCarthy craze

SUMP BALL - the mechanism that triggers the device that empties water from your basement