Top Definition
When someone older acts like a douchebag, often because it is in their nature, they are entering a new phase of adulthood, or just because they have personal problems.
"What the FUCK. We leave for the CAHSEE examination, and i find out that the two days we were gone, Mr. Shapiro left EXTRA homework because he hates us sophomores."
"Dude, fuck him. He has a serious case of doucheritis"
by Prodigious Asian March 17, 2010

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