I implore you to type the following words into the Google search engine: "cake fart." I know you won't be disappointed.
To the OP, I understand this thread. You're 14 and you have basically no control over what you eat! Your parents buy the food - that sucks! I remember those days, now I can eat whatever the hell I want - when my fiancee is out of the house.
haha...my buddy showed me that video a few years ago. He was absolutely fascinated with it. That shit really grossed me out.