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The act of being random, spastic, and unpredictable. When Erin-ing occurs, one can a few things: 1) Ignore it 2) Join it 3) Question it The Erin-ing behavior will eventually end (usually when the victim get tired, hurt, or runs out of caffeine/sugar) Do NOT try to Erin-ing behavior from happening. If so, it will result in terrible consequences.
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