papenpantaloonophobia
The fear of pooping your pants. Papen is the original word for pooping or "passing gas" used in 16th century England. Pantaloon is derived from the french word "pantalon" 1580-1620.
Friend- Did.. Did I just poop my pants?
You- Dude, you have papenpantaloonophobia.
You- Dude, you have papenpantaloonophobia.