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1. (n) A hangover lasting more than 4 days.
2. (v) To zombie-sit walk/through life, feeling lifeless, brain dead, and unable to experience legit happy thoughts for a period of more than 4 days following an exceptionally fun weekend.
Oh shit, after the Secret Jessie Weekend I had such a bad Sumnover. Its Thursday and I'm still not right from the weekend.

The only way you don't get sumnovered after a weekend like that is if you're immortal!
by Whiskers Fiorilla February 12, 2009
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