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When you have a headache before a night of epic drinking. It's been compared to prophecy as it predicts that the alcohol consumption will be so legendary it already has ramifications.
"Dude I think I have a hangunder." Dude 1
"Man I am so hungunder I can't even remember what I'm going to do tonight." Dude 2
by thatshamrockguy May 05, 2011
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2
when you drink the perfect amount of alcohol and then almost sober up, go to bed, and wake up feeling better than you ever have in your life.
I have an awesome hang-under today.
by E-rock May 01, 2005
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3
The funny feeling you get when you wake up after a night of not drinking and you're not hungover like usual.
"Yeah, I didn't go party last night, I woke up this morning with a wicked hangunder"
by Jordan May 18, 2004
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4
Depression induced due to lack of alcohol consumption the night before, typically in (but not mutually exclusive to) the presence of drunk people having a lot of fun.
Those Saki Bombs looked so good last night omgz (hangunder)
by spliffstonovich October 12, 2010
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5
When you havent had too much to drink the night before, and instead of ruining your morning, the restful sleep makes you feel better than normal when you wake up.
Yeah I just had 2 beers last night and went to sleep at ten, woke up with a great hang under.
by tmeador May 31, 2008
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6
A hangover, that isn't seperated from the alcohol consumption itself by sleep, most notably causing a half-dead, half-sleeping feeling, and causing stupid conversations and lazy, despairing expressions.
Rather than sleeping off one's 9th beer, watching late night poker with a slow-forming hangunder.
by RobHC May 01, 2005
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7
when one who is under aged has a hang over

often at school or a place where other youngins hang out
my little brother had a really bad hang-under when I dropped him at school today
by chidish.gambino March 01, 2011
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