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14.
FI
Formal Inspection
FI is in 2 days..hurry and clean your room
by LCP 4 life May 16, 2003
 
1.
FI
fiancé, the man who a woman is engaged to be married to
my FI has huge fingers. The jeweler measured him at a 15.5 but said to order a 16 if we wanted a thicker band. My FI is 6'4" and a big guy so it makes sense.
by musterionanonim February 21, 2013
 
2.
Factual Information.

Confirming a statement.
Going for a dump this morning Gaffer?

F.I.
by Tommytux December 15, 2006
 
3.
fi.
A common abbreviation for fish
"Look in that pond, there are two fi.s (Pronounced F-I-Dots) They are orange!"
by Jenny Any Dots April 14, 2006
 
4.
Fuck It!!!
I was trying to do something good, but I just said F.I.
by WOrkthatclit July 19, 2009
 
5.
Fi
Another word for 'TO'
Seh mi and Gurpz Resi link up kum fi create a plan

Lizten fi da man
by Gurpz Resi May 04, 2004
 
6.
fi.
the common abbreviation for fish
i have caught me a tasty fi.
by thursday April 16, 2006
 
7.
FI
An FI is an an abbreviation for Fucking Idiot. You see these driving on the roads every fucking day. You can also find them in the workplace, in stores, and health clubs, police departments, and yes hospitals too. Most of them are men, but some are women.
That FI cut me off!
by Non FI May 29, 2014