A combonation of burping and vommiting. Ussually a small amout of vommit.
He vommited a little when he burped.
It's when you burp and a little bit of vomit comes up your esophagus into your mouth. Burp + vomit = vurp.
At the thought of dating Billy Bob with his mullet and his gaped front teeth for squirting Copenhagen, I vurped the special sauce from my Big Mac.