a ache, most typically a headache, that is due to a hangover after a night of excessive alcohol consumption
Dude: Damn, got so trashed last night! Now I have a hangache! Where's the Tylenol!?

Friend: In the medicine cabinet, fool!
by NUMBER4940s July 9, 2009
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When you're getting a headache from not eating
I'm getting a hangache, we need to eat.
by Da chef 420 February 9, 2019
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