An incurable mental affliction resulting in the inability to appear at work when even the slightest amount of snowfall is possible. Symptoms include anxiety, diarrhea , and rampant use of badly constructed excuses.
" There's some snow in the forecast. I'll bet Steve gets a case of the snowshits again. Can't wait to hear his excuse for ducking work this time."
A snowstorm with particularly wet and heavy conditions, likely to lead to heavy accumulation, as well as massive ice patches. So named because, if there is a god causing the weather, this is him taking an angry, angry shit on your city.