It is when you are just sitting around minding your own business and you have a little unexpected burp and a small amount af acidy puke comes up with it and you have to swallow the "hot snack".
"Dude, I was just talkin to my girl and out of no where I had to swallow a "hot snack" with out here noticing"
by Frankie Carbone April 04, 2006
Damn! that guy/girl is a hotsnack!!
by Marcierenee November 26, 2008