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.
by lourdes April 25, 2005
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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!
by Anonymousesketeer May 14, 2010
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Person #1: wacka wacka wacka wacka wacka
Person #2: ctfu
by Cameron R April 15, 2008
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a word that only black girls use in a fight on facebook
ctfu , whateva make yu feel gud abut yurslef girll lls.
by whitechick<3 September 19, 2010
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Ronald: "Go back to China, bitch."
Cherita: "CTFU!"
by Cherita Chen November 16, 2010
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