If your farts were made of antimatter, it would have some rather extreme and potentially catastrophic consequences. Antimatter is composed of antiparticles that have the opposite charge and other properties of their corresponding matter particles. When matter and antimatter come into contact, they annihilate each other, releasing an enormous amount of energy.
So, if your farts were made of antimatter, each time you passed gas, the antimatter particles would react with the surrounding air or any matter they come into contact with, causing a powerful release of energy. The exact magnitude of this energy release would depend on the amount of antimatter involved, but even a small amount of antimatter could produce a substantial explosion.
In a confined space, such as a room or a vehicle, the sudden release of energy from the annihilation process could lead to severe damage, including the destruction of the surroundings and potential harm to people nearby. Additionally, the release of high-energy radiation during the annihilation process could pose a significant risk to human health.
Given the potentially dangerous consequences, it is fortunate that antimatter is not a natural component of human biology. The antimatter needed to create such an effect would be highly challenging to produce and contain. Scientists currently produce antimatter in specialized laboratories for research purposes, and it is not readily available or feasible to generate antimatter in the human body.