Top Definition
A phenomenon on the Mid-Atlantic seaboard and region that resembles a hurricane of snow (Nor-Easter) but is accompanied by thunder and lightening. Such an event does nothing but disable a region and cause extensive liver damage.
John Bolaris and Cecily Tynan both said we're all going to die because a thundersnowicane was going to cover us with 40 inches of snow and kill children with the fear of thunder - get beer, pills, and eggs and act like we are never going to work again. Then get more beer.
by hatemister February 23, 2010

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