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8.
FYI
For Your Information OR Fuck You Idiot!
person1: 'The sky is green'

person2: 'FYI (For Your Information) its blue'

person1: 'The sky is green'

person2: 'FYI (Fuck You Idiot), its blue'
by FYIMASTER July 12, 2010
 
9.
FYI
FYI-(abbreviation)

Almost always, said abbreviation will stand for "For Your Information".
However, one alternative definition for this term is "Fuck Yourself Internally".
Bob: Hey Jason!

Jason: Yea?

Bob: Go FYI (F*** Yourself Internally)!

Jason:WHAT?

Bob: FYI (For Your Information), I said, "Go F*** yourself internally".

Jason: Now HOW am I supposed to do that?

Bob: Internally. THAT's how. *Points to self-masturbating hobo on the street*

Jason: Oh.
by Pabriel May 27, 2014
 
10.
fyi
Often used for "for your information", in many cases this acronym more appropriately conveys "fuck you, idiot!"
Boss: Joe, you did finish your report by the deadline this time, didn't you?

Joe: FYI, I finished it a day early!


Wife: Honey, I thought I asked you to mow the yard yesterday?

Husband: FYI, I ran over my foot with the lawnmower so I thought I'd wait to get my prosthesis before I finished the job.
by Jbterry July 10, 2008
 
11.
FYI
An abbreviation often used in e-mails when the sender cannot be arsed to explain what is attached.
FYI

Kind regards

Steve
by The Viking January 25, 2007
 
12.
FYI
An acronym for Freak Yachting Incident

(A freak misadventure taking place on or around a yacht.)

"Dude, did you hear about that FYI near that place tuther day - no-one died but it was a damn close one!"

"Why yes, I did! It was frightfully worrying, I often yacht around there myself! What ho!"
by Zoeena & Jamesy September 01, 2008
 
13.
fyi
Often used when forwarding emails; sometimes this could mean "fuck yourself intensively"
FYI
------
Hi John,

We should think about that.

BR,
Tom
by _Kitto December 18, 2008
 
14.
FYI
Fuck Your Igloo.

Used by young eskimo teenagers who are trying to break away from the traditional eskimo culture.
Mom: You need to go ice fishing with your father!
Eskimo Teen: FYI, MOM
Mom: What?
Eskimo Teen: FUCK YOUR IGLOO goes off to listen to fiddy cent and wear tennis shoes