@Pemerson,
Funny boys..
Not related to farts but re non stoppable laughter -
when I first lived in the san diego area, doing an internship, a friend and I were going to mass and we were late (don't get me started on religion). We parked and crossed the wide street with median and I tripped, that being my way sometimes.
We entered the church at solemn moments. Sat down. A few minutes passed. And then I couldn't stop laughing..
I don't think I was loud, but I was a bubble balloon of small whoops.