The act of vomitting in one's mouth, but contents never actually leave the mouth. Thus leaving the participant to re- swallow the contents expelled from the stomach.
Your food looks disgusting, I think i just threw up in my mouth a little bit!

Omigod! you just had a Mini Throw up!

"He just swallowed his vomit, thus having a Mini Throw up"
by rscIII August 16, 2008
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