What is Iyf?
1.
"In your face" when typing to other people.
In some circles it has also been used when too lazy to say "in your face."
Can also have profanity added such as "iyff - in your f***ing face"
"I was out last night, with your girlfriend....iyf!"
See
2.
Stands for "in your face".. Kinda like owned
-i c
-hahahaha.. iyf
See
3.
"is your friend" - a generalisation of
"WTF does 'IYF' mean?"
"Urban Dictionary IYF!"
"...STFU too."
See