Means the same as "Damn it" or yelling "Shit" used in exasperation or anger.
I dropped my keys thru the sewer grate- "Piss Salt!"
An alternative word to describe one nonerect penis.
" Dude I saw Chads Piss meat, it's so small!"
Basically seeing someone so mad that you wonder how the hell they got that way as if someone .....like mentioned , pissed in their cereal
Trav: Yo man are you good ?
Bond : no I’m not don’t fucking talk to me leave me the hell alone
T : Wow the day barely started and you’re already fuming did someone piss in your cereal ?