Entertainment / Bowling / Bumper Bowling: To help children keep the ball in play and on the lane, manufacturers have developed a system of either placing an inflated bumper into the gutters, or a mechanical bouncy wall that prevents a ball from entering the gutter. The thrown ball hits the inflated bumper or wall and bounces back into the playing surface. Kids love it...no gutter balls! See also a derogatory term called adult bumper bowling.
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Entertainment / Bowling / Open Bowling: Bowling for the fun of it, as opposed to competing in league or tournament play. MORE
Entertainment / Bowling / Spot Bowling: Using a particular target on the lane, rather than the pins themselves, as an aiming point. Many bowlers use the range finders, for example. MORE
Entertainment / Bowling / System Of Bowling (SOB): An attempt by the ruling body to legislate a minimum condition that all lanes must provide; it was hoped that it would place a more competitive balance into the game (it hasn't!). In general, the SoB MORE