IDEFK

Acronym for: I DON"T EVEN FUCKING KNOW
(most of the times said when really frustrated, or over whelmed, or pummeled with questions, that you don't even fucking know the answers to.)

Jacky: "Why hasn't he called you? Do you think your bf is mad at you? Sam, Sam, Sam... whatcha gonna do about it???? HUH?!? I think he's gonna break up with you... what are you gonna do?!?
Sam: "IDEFK!!!!!!!"

by Mariah Levine June 2, 2015

Idfc

I don’t fucking care; used when someone doesn’t fucking care or give a shit.

Girl 1: Have you heard of the latest movie?
Boy 1: idfc
Girl 1: Why don’t you?
Boy 1: it’s stupid ash

by Ima idiot October 11, 2020

IDFC

I don't fucking care

Man 1: Dude I just won a match of FIFA
Man 2: IDFC man

by ALLAHAKBARFAM August 12, 2016

idfca

I don't fucking care anymore

idfca man.

by Meaningless April 25, 2016

idfcb

Means I DON'T FUCKING CARE BITCH

Jason: Yo, I just got a new gf

XxmlgboyXx: what the fuck wait no idfcb

by Handlemothafucka May 29, 2017

idfcsexual

A sassier version of pansexual, meaning you like who you like and you really don’t care.

Bob: what’s your sexuality?
John: I’m idfcsexual
Bob: oh what’s that?
John: it means that I like who I like.

by omaroof January 14, 2018

IDFC

Its when you dont care about politics on urban dictionary.

Random user: We did it Joe!
Other user: Joe lied.
Me: Idfc.

by EtikaLovesToSwim January 31, 2021