1 definition by Romeo Palmero

Top Definition
The combined feeling of tired excitement.
Feeling of being dreamy, and excited at the time.
Can you light me a cigarette? It's dim, and I feel Fibergastic right now.

This guy is Fibergasticly high!

I want to Fibergast onto this music right now.

This song is very Fibergastic.
by Romeo Palmero July 17, 2010

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