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1 definition by daymemer

 
1.
being stuck behind a car that, as the traffic light turns green, suddenly and w/o signaling decides it want to turn left, trapping you behind it for minutes, as you are unable to switch safely to the right lane.
The car with out of state plates committed sindecision by suddenly deciding it needed to turn left, trapping me behind it as traffic whizzed by in the right lane.
by daymemer June 16, 2010
3 0