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2.
The energy required to boost in My Sims Racing, for the Wii. Discovered by Dr. F, hence the name.
I lost the race because I didn't gather enough Fenergy!
by BoneYard1985 August 26, 2009
 
1.
Your internal fuck you energy. The level of frustration where you have to yell FUCK YOU!
She was really pissing me off, my fenergy level was through the roof.

I had a sweet day today. My fenergy level is nonexistent
by Big D Money September 08, 2007