What happens on New Year's day after you're done puking your guts out the night before, on New Year's Eve. Your now empty stomach produces nothing when you begin dry heaving after a night of hard partying and drinking.
"Joey's got the New Year's heaves! He's rolling around on the floor heaving and gasping for breath. It's hilarious! Where's the camera!?"
by cagedape December 27, 2010
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To "throw up" multiple times on New Year's Eve, typically caused from excessive drinking after the realization that it was yet another sucky year of life.

This happens many times when people see their significant other kissing someone else on the "stroke of 12" during the Midnight hour.
If it wasn't for Bobby having the New Year's Heaves, we could have seen Dick Clark celebrate his 243rd straight New Year's broadcast.
by classyguy273 December 28, 2011
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Drinking entirely to much alcohol before midnight on New Year's Eve leaving you hugging the toilet while the ball drops.
Josh: Hey Evan, have you seen Jake lately? It's three minutes until midnight and he's gonna miss the ball drop.

Evan: He's been in the bathroom for the last two hours, probably having his New Year's Heave.
by I am tricky December 29, 2010
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