A fork of Rural Dictionary
When a person snips off the top of a glow-in-the-dark chemicla stick and runs the contents up their rectum then sits on another persons chest and expels their bowels onto the said persons chest while screaming the Russian word for "no" (Nyet)
When performing a Chernobyl it is best to know more Russian and to use a green Chem stick. In theory it is even better to do this on a supermodels chest, but as yet this theory has not been proven.