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1.
Condition in which a person claims association with the pop cultural values of a generation occurring before or after one's formative years.
"Jerry has some pretty severe disgenerasia. He went to high school in the 2000's, but he thinks he's a 90's kid."

"I think Sally has disgenerasia. She know's a little too much Cyndi Lauper, having been born in 1985."
by Rockymcg October 10, 2013