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The rapid blinking of a car's turn signals caused by the bulb dying. Meant to alert the driver to replace the bulb, although many people do not know this. Very annoying to those in the car and those in a car behind the hyperblinking car.
Friend 1: Hey--why is your turn signal blinking at rapid speed?

Friend 2: I just have hyperblink 'cause the bulb is dying. Gotta get it fixed.
by Suzibella June 18, 2010
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