Definitions by BJCJ

pissnshit 

A phrase describing the state where one needs to piss and shit. Because it is commonly assumed that when one must shit, they must also pee, the phrase 'piss and shit' was shortened to 'pissnshit'

'I woke up having to pissnshit after a night of heavy drinking'

pissnshit by BJCJ April 11, 2009