It’s about time. We are now on Instagram!
also hang-over, 1894, "a survival, a thing left over from before," from hang (v.) + over. Meaning "after-effect of drinking too much" is first attested 1904, on notion of something left over from the night before.
The headache, morbid sensitivity, nausea, etc, felt upon awakening some hours after drinking too much liquor (1912+)