The last thing i ate was a bag of chips and mayo and that was more than 16 hours ago. and i still feel bloated and don't feel like eating anything.

Indigestion: You're having indigestion - the food didn't get digested well by your stomach and is probably either sitting in it or is staying in your intestines and is slowing digesting. This happens occasionally. If you have no nausea/vomiting/diarrhea, i recommend you avoid fried, fat rich foods like the ones you ate and drink fluids to "flush" your GI tract. One it's been reset, you can return to normal.