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1.
1. A song by the Arctic Monkeys.

2. a child who, through overexposure to television, movies and music, grows up too quickly and without substance. By the time they are around 13 they believe they are ready for sex, alcohol, and drugs. The later feel remorse for the childhood that they skipped over.
1. Fluorescent Adolescent is my favourite song from Favourite Worst Nightmare.

2. If you let your child sit infront of the tv everynight he's going to become a fluorescent adolescent.
by Sanna C. September 18, 2008
 
2.
A teenager who has swapped danger for a life of safety. Based of the Arctic Monkeys hit single.
The word "fluorescent adolescent" rhymes.
by jkfgmhjmjllgkmgl June 10, 2007