Often when it is humid and you are feeling hot, sweaty, uncomfortable and moist usually in the pants region.
Geez its humid today, my toilet area is a bit mointy.
When wearing pants and your arse is hanging low, like you have dropped some logs in your pants.
P1: Damm!! That guy has the worst case of haemorrhoids I have ever seen.
P2: Nah he's just wearing Zanerobes, they give everybody Nappy bottom..