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a snowbow is quite simply a rainbow when its snowing.
it is very rare and only can be seen when smoking large amounts of narcotic substance at an altitude over 2000ft above sea level, i.e up a mountain. then it is quite common.
wow dude! like, look at that totaly radical rainbow, its like, fully trippy.
no way man, thats no rainbow, thats a snowbow!
by evil bob August 30, 2006
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