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
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An affliction of the male genitalia that causes your penis to shrink with age.
Damn, Daniel sure has a Benjamin Button dick, doesn't he?

PATIENT: Sir, what's wrong with my penis?
DOCTOR: I'm sorry, but it seems you have a Benjamin Button dick.
by Lunda Boi March 21, 2018
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When someone looks way too old for their age, possibly because of long term drug abuse or some other form of hard living. The term was first used on a Kanye West blog entry, where he described his older looking appearance on the cover of a magazine. The term has since been mostly used on dlisted.com to describe celebrities who look ridiculously old for their age.
Damn, Jenny and I are the same age but she looks at least 10 years older than me. That's some Benjamin Button's shit right there.
by Love SoFla April 5, 2009
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Benjamin Button's dick: a Disease that causes ur to grow smaller untill u have a mangina
City Center21: My Dick just got hard

MagicalCherry: Must Be a first

Me: He Is suffering from Benjamin Button's dick
by Prime Minister McRibs December 30, 2016
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A hangover that, instead of receding throughout the day, gets precipitously worse and torments the afflicted individual
After drinking nonstop all last night, I have a Benjamin Button Hangover today. I felt okay this morning, worse at lunch, and like death by dinner.
by Michael Sock February 26, 2021
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When you were born older and as you get older you look younger or vise versa
by Xoxo.J June 15, 2015
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Aging forward throughout time, becoming older every single year until you finally die.
"Doctor, what's wrong with me?"

"I'm sorry to tell you this Mr. Jansson, but you have reverse Benjamin Button disease"

"Can I be cured?"

"I'm afraid not, you're as good as dead"
by Hilaros Man100 March 29, 2013
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