A laughing acronym standing for "crack(ing) the fuck up" similar to lmao or rofl. Primarily used by black people on myspace and facebook.
*Jaquon posts a funny/gangsta picture on facebook*
Tarrell: Yo dat shits drawlin ctfu!
Cracks the Fuck Up. When laughing so hard you can hardly breathe.
When someone does or says something completly and utterly funny, ridiculous or stupid.
Crackin The Fuck Up
bbyVee : You Funny As Shit, CTFU
bbyNia : Bitch, Im Not Even Half-Way Through Wat Happened Yet, And You Already Think Shit Funny ! CTFU
a word that only black girls use in a fight on facebook
ctfu , whateva make yu feel gud abut yurslef girll lls.
Used in texting, email, blogs, etc, its short for Cracking The Fuck Up;
Laughing really hard,
Bob: what do you call a dead blonde in a closet
Tom: I don't know, what do you call her?
Bob: Last year's hide-n-go-seek champion!
Tom: hahaha ctfu good one.
meaning cut the fuck up
girl, You know i like to ctfu at the clubs
cracking the fuck up
Person #1: wacka wacka wacka wacka wacka
Person #2: ctfu