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2.
the morning after a long drinking session, where you have nothing in your stomach but still feel the urge to vomit. nothing comes up.
the morning after my ten cans of john smiths, i had the dry heaves
by Rkty January 26, 2008
 
1.
when vomiting is no longer fun
I was feeling, like, regular bad, then the dry heaves made an appearance.
by one slack martian April 11, 2006
 
3.
When you have sex so often in one day that you can no longer produce any seminal fluid while ejaculating.
After you have multipule ejaculations after having sex all day you can no longer cum ex. dry heaves
by AlkalineProdigy March 19, 2009