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1.
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
21 3
 
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
17 3
 
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
28 14
 
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
10 8
 
5.
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
2 4
 
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
5 11
 
7.
n.
"hangunder" is a lesser version of the classic hangover. It's when you aren't quite 100% but still functional. It's the hangover's version of "under the weather."
I had a few beers last night and I totally have a "hangunder". I'm about 80% today.
by Kafferdd January 03, 2010
4 11