Top Definition
The most painful experience ever, only lasting for a day or two. Symptoms include diarrhea, vomiting, and unbearable stomach pains. It's extremely contagious. No vaccine, no cure, and you only gain immunity to it for a few weeks. Have fun.
"My mom's got the stomach flu. I gotta keep praying that I don't get it."
by IStoleThePies January 11, 2015
4 Words related to stomach flu

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