First things first, buy my sample pack, I would never use in my entire life. It comes with the best fart and vomit sound effects ever.
Now, swallow two whole bottles of Vodka. This is important for the next step.
Rush to the toilet and record yourself vomiting. If your stomach somehow handled two whole fucking bottles of Vodka, you liar, just use this sample I found on youtube:
Now, let's drag our sample into FL studio. Add distortion, some EQ, reverb, basically everysingle effect in FL studio. No, I will not tell you how to configure each effect, fuck you.
Now, our result should sound something like this:
