Serious cases of pessi-doucheness may result in the argument of how .999...=1 when clearly no one gives a fuck, a constant reminder of some past-argument which had something to do with their pessi-doucheness, or the rejection of hanging out with babes because they think it wont be fun
Charlie "Nah that doesn't sound too fun, lets just chill here and do nothing for another 4 hours."
George "God dam it your such a pessi-douche."
Charlie "No im not! Your the one with the stupid ideas."