I've had that happen with super greasy foods. Once, I went to Wendys after smoking up with some friends. We had the 'all you can eat' bar thing they used to do. I always liked the garlic bread and pasta and was killin it. Walk back to dudes house, my stomach started feeling funky. Next thing you know, blech! It was nothing but the grease from all the garlic bread I ate. Talk about a high killer. Took me 45 minutes to get my taste back to normal.