When you are so drunk that you are vomiting and shitting at the same exact time.
When I have to vomshit I make sure to sit on the toilet with a plastic bag in front of me, that way its the best of both worlds and I won't vomit or poop on the floor.
by cookiepoops June 17, 2009
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When your shit is thin as diarohhea only its as acidic as vomit so it smells like vomit and burns your asshole and makes it painfull to wipe.
by scaryduck October 30, 2003
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1)A disease by which a human suffers by being constipated/having diaria and also suffering from increased amount of vomiting at the same moment. vomshitting may occur when a person is shitting in toilet whilst shitting he may over push his shit in his intestines which may lead to force pushing on the stomach which will cause the person to vomit and shit at the same time.
To avoid vomshitting one must not over push his shit instead relax and let your anus do its buisness.
Another advice woulf be decresing the amount of drinking alcohol and decreasing masturbating.

2) The word is said in a situation where someone is shocked and grossed out from the person he's speaking to. So the person will reply by saying "Are vomshitting me?" becasue that person had an erge to vomit due to the disgusting and shocking thing that was told to him.
After George was drunk and msaturbated five times he quickly ran to the bathroom to shit, what george didn't know was drinking and masturbating could cause vomshitting so poor george pushed as hard as he can to release his shit but unfortunately that caused him to vomshit all over the bathroom.
by whisperingeye101 July 27, 2009
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When you've drank so much the night before & your next day shits smell like alcohol. Like vomiting out your ass.
Dude, last night was crazy, but it gave me a case of the vomshits today.
by treegirl13 January 10, 2012
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