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1) Derived from the prefix femto, which means ten to the minus fifteen.

2)Stupid; very, very stupid

3)Extremely gullible.

3)Mentally retarded.
The femtobrain spent his rent money on a fortune teller.
by ad-92129 September 05, 2011
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Apr 21 Word of the Day
I've been jabbed
by Francesco II March 20, 2021
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