adj. Prone to rage, even salad bar rage, which has taken the lives of so many people and tiny tomatoes before their time.
Real citation: "Great Alice lyric: I'm so pessi-mystic, I'm so piss-off-istic."
(Aug. 19, 2009, Rebecca Clements, Twitter, http://twitter.com/kinokofry/statuses/3405747150)
Made-up citation: "When I start feeling piss-off-istic, I just imagine my enemies pooped their pants. Or I start dropping boulders on them. Whatever."