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1.
n. the feeling of missing a dog or dogs. Also, dogsickness.
Q. Jane seems a little down. Is she all right?
A. She's a little dogsick, I think. She misses Spot.
by Megoo99 December 13, 2010
 
2.
Very fucking ill. Like how dogs poop and puke everywhere.
Dude, I'm dog sicks right now
by MilkmanMilkSteak January 04, 2013