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2.
To be more than pissed.

Is usually used as a verb, but can also be used as an adjective with some creativity.
My boyfriend was being an idiot and I got pissed, then he made fun of my handwriting and that made me pister.

When Johnny showed up late for class, the teacher was pissed; but when he said he didn't do his homework, she got pister.
by Sylvannis November 18, 2011
 
1.
An offshoot of pistered to be used in a slightly different manor.
I was at work and they got me pister than hell.
by Steve Harbour November 21, 2006