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1.
A combination of "fabulous" and "abnormal"

Fabulous + Abnormal = Fabnormal

Being unique and true to oneself while having no interest in being considered normal or common to others.
Normal is so boring! I'm abnormal and fabulous... I'm FABNORMAL! Deal with it.
by Bucket26 June 05, 2012
 
2.
An adjective used to represent an overly-popular trend that has become commonplace, even though the individual believes it is still unique and "fabulous" in his or her own situation.
"Girl, you may think you are cool and all, but your uggs and iPod are SOOOO fabnormal."
by DJ Adamo August 21, 2009