basically means poo that flies
also called 'flying turd' or 'shooting caca'
Joe: i got da flying diarrhea
John: that means ur poo flies LOL
it basically means shooting diarrhea, and is often referred to as 'flying turd' or 'shooting caca'
E.g.
Toby: i just got flying diarrhea
John: that means ur poo went flying lol