1. n. A prank in which the prankster drives around quiet streets and shouts "NICE BALLS!" as loud as possible out the vehicle's window at unsuspecting
pedestrians to elicit a reaction, usually one of shock or confusion. Traditionally two people
participate, one shouter and one spotter. The spotter designates targets for the shouter. The driver can be either the shouter or the spotter.
niceballer, n. One who participates in niceball.
2. v. niceballs, niceballed, niceballing. To prank an unsuspecting
pedestrian in this manner.