Acronym for "Professional Association of Diving Instructors." Trains SCUBA divers at all levels of training. A large corporation that most divers have a love-hate relationship with as they charge too much for their books and course materials. Similar organizations include NAUI and SSI.
PADI charged me $50 for this flimsy-ass book! I bet I could learn just as much by reading on the internet and using that $50 for diving.
The smallest division of a fart; a fart molecule. Made up principally of Carbon, Hydrogen, and Sulphur atoms in gaseous form. A single folecule is detectible when particularly potent. See entries at farticle and farticles.
Innocent Bystander: "Dude, did you let one fly?"
Guilty Party: "Yes, but it was a tiny one."
Innocent Bystander: "Disgusting! I got a whiff of your folecules way over here!"