A phrase used when something will make you look and/or feel younger, referencing the movie Benjamin Button.
Duder 1: "Ok, check this rhyme. I'm a pussy fiend, you can call me a glutton. Fuck you so good you'll get younger like Benjamin Button. Got my penis"
Duder 2: "Ha ha ha ha. Keep going!"
Duder 1: "My penis got a nickname it's the fountain of youth."
Duder 2: "Ha ha ha ha. Keep going!"
Duder 1: "My penis got a nickname it's the fountain of youth."
by westfalia February 4, 2010