Top Definition
Also known as 'potassium iodide'. FDA approved to protect the thyroid from the effects of radiation from a nuclear source such as a nuclear reactor (Fukushima) or fallout from a nuclear bomb.
The government is distributing nukepills again in case of a nuclear reactor accident.

If the local reactor blows, I'm just gonna take a nukepill, grab a lawn chair and a beer, and watch the traffic jams from my front yard.
by TJofMD October 27, 2013

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