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Gridth means to fall asleep while watching tv, usually while watching PBS. Usually, gridth happens past 10:00 at night. Usually if gridth happens to you, you will wake up very tired. It is important to not let gridth happen to you, because if it happens a lot to you, you can get sick more easily.
Merideth was watching a talk show and got tired, and fell asleep from gridth.
by VegetarianBacon July 04, 2015
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