look up any word, like sex:
 
1.
I fk means I Fucking Know
Person #1- Dude, you need to pay me back
Person #2- I fk
by Barnhart December 10, 2005

Words related to I fk

fucking i ifk know
 
2.
IFK
I Fucking Know.
"Notting Hill is the best movie ever."
"IFK"
by Hugh Grant June 13, 2012