Used to distinguish the extent as to how pissed-off one isfeeling and/or experiencing at any given time
"Ain't nobody give a damn bout yo lame ass,irrelevant excuses----
The fuc you think I wana hear your lyin ass elaborate on how you fucked me over.....?"
"Man that shit got my pisstivity thru the goddamn roof."
The state of being extremely angry or pissed. It's most often seen when someone is typically more laid-back, but shows an uncharacteristically high level of being pissed.