iktf 

I Know That Feel - When someone describes a feel that you have experienced for yourself.

Tom - Dude I just walked in on my gf fucking her dog.

Me - iktf bro

iktf by Crusty Dickwad June 30, 2012

IKTF 

acronym for I Know That Feel(ing).

>i've never had a gf :(

iktf

IKTF by spiegalr November 7, 2012

iktfb 

I Know That Feel Bro.

Upon being a lazy ass and not wanting to genuinely answer a 'serious' text with a response, one replies, "iktfb".

Susie Q: ugh, my mom wants me to clean my room before she gives me 100 dollars to go out tonight

Ina Cummings: iktfb

iktfb by Meep1111 September 28, 2012

iktfn

i know the fuck not

Sarah: “did you hear that Ashley’s BD cheated on her?”
Jasmine: “iktfn😭”

iktfn by evelyn473728282888 June 17, 2023

IKTFR 

I know that's fucking right

"girl i just got paid"
"iktfr"

IKTFR by mileaux97 September 7, 2023

iktfr 

i know the fuck, right?

john: taylor swift is the music industry

me: iktfr

iktfr by JenTen22 September 13, 2021