1 definition by kira ai
an individual who comments on the fact that inclement weather is expected, in such a way as to imply that he or she is the first or only person who pays attention to weather forecasts
75 of your friends on facebook write "SNOW'S COMING!" your response to all of them: "thanks, snowstradamus, for telling me what 74 other people and the morning news already told me."
by kira ai January 13, 2011