Gym gas

Was in the gym today a friend had reccomended a new high fibre diet , for some reason it had given me awfull gas . Not usually a gassy person I was struggling now with a constant need to pass gas it felt like a constant pressure at my bottom to fart. Im an avid gym goer so not good. Also the mass of fibre was giving me huge bowel movements like filling the toilet ones.
I had a spin class at 7 on weds and had emptied myself beforehand, was feeling less gassy so decided risk it ill sit near speaker incase. Anyway 10 mins into class a huge gass bubble was in my bottom, I had on tight gym pants and thong I decided to risk farting music was loud so eased it out it was long and hot and tovmy horror filled the class with a cabbagy pong but no one new were it had come from .
After only 5 mins another one was wooshing from my bum . I was getting away with it until 30 mins in
The fart was not just air but solid and to my horror i felt a turd hit my knickers and stop due to the tight thong . Now I had to use the loo like now I pushed the stop button on the spin bike and dismounted , with no saddle to push on my *kitten* let loose a stream of gas as i exited to go to ladies toilet . The source of the smell was no longer a mystery as I hurried out farting as I went .