When skiing and or snowboarding, and you take a header it was because of snow ninjas not youre personal inability to stay on your feet. Snow Ninjas are invisble and very fast and will put you on your ass especially if youve been drankin.
I got ol time hackyed by those snow ninjas.
by kem two April 7, 2006
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noun: Frozen rain that sneaks up on you unexpectedly and beats the crap out of you only to leave quickly, without a trace. Also see: hail
The ninja snow totaled my car today! My Miata looks like a golf ball!

I was walking through the park yesterday when I got attacked by ninja snow. As soon as I got to shelter it was gone. Turned out to be a sunny day after that. Weird...
by grisslebone April 7, 2011
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