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