It’s the vibration that’s made from styrofoam rubbing or biting on undercooked green beans. It can also come from walking on fresh snow. The vibration can almost be incapacitating like if a baby were crying in your spine.

  • Atlas
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    11 year ago

    Just reading what you typed about the undercooked green beans made my teeth start to tingle, augh. I hate that I know /exactly/ what you’re talking about.