Top Definition
When an individual seems to age backwards and becomes less mature over time.

Most common amongst teenage girls.
Laura in 2007: I think I'm gonna stay home and study for the test next week

Laura in 2008: I don't give a shit about school, let's go out and get wasted!

Laura in 2009: Wohoo, let's go to Disneyland!

Guy 1: Damn. It seems like Laura is getting dumber and dumber every day.
Guy 2: Yeah. It's the Benjamin Button Effect
by Anno Nimus January 29, 2009
5 Words related to The Benjamin Button Effect

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