When you are laughing so hard that you wet your pants.
The joke Johnny told was so funny that by the time he got to the punch line, I was pissterical.
by Don McKeefery April 26, 2007
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When you laugh so hard a little pee comes out.
"I was so pissterical i wet my pants!"

"He/she made me laugh so hard I was pissterical!"
by zenrose May 16, 2009
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A shitty poster...a pisster.

Coined by a Brit who couldn't say poster...
"You bought a right pisster there mate!"
by MountTheTing March 5, 2020
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Two or more people who have established a ritual bond by urinating in the same toilet at the same time. There is no male form of the word, and therefore all people who perform this ritual are "Pissters" with each other, regardless of gender.
Hey, Todd - have you met my Pissters, Larry and Megan?
by Pissters April 11, 2010
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To be extremely upset. A mix of Pissed Off and Frustrated.
Wow! That cat is totally pissterated with that kid who keeps pulling its tail!
by Malueram May 19, 2010
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a combination of pissing some one off and pestering them at the same time.
if those kids come over to my house, they will be pisstering me off all day.
by bddss August 22, 2009
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To make more pissed off.
stop that, you're getting me pisster.
by Jeffreev July 9, 2006
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