CTFU
Cracking the f*** up
CensoredExample
That was hilarious! I am CTFU right now
CTFU definition by Slang.net
This page explains what the acronym "CTFU" means. The definition, example, and related terms listed above have been written and compiled by the Slang.net team.
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If someone sends you "CTFU," they are "cracking the f*** up," which means they are laughing very hard. People often send it in texts, online messages, and social media to emphasize the hilarity of a picture, video, or story.
Not many people use CTFU since there are so many other, more common ways to communicate that you are laughing. Alternatives include haha, LOL, dead, LMAO, and ROFL.
An example of when you might use CTFU is when responding to a video your brother sent you of your niece putting on makeup. Or, you might react with CTFU to a funny meme in a tweet.