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interjection

CTFU

see-tee-ef-YOO

CTFU (interjection) means used in texts and online posts to show that something is extremely funny; the writer is laughing very hard. Example: “CTFU, he really wore that to a job interview.”

interjection
1
internet slang, vulgar Used in texts and online posts to show that something is extremely funny; the writer is laughing very hard.
"CTFU, he really wore that to a job interview."
"She sent me the video at 2am and I was ctfu."

How to Use CTFU

Learner’s notes

In plain EnglishA way of writing that something made you laugh really hard.

When to use it

Casual and profane because of the word it abbreviates; written far more often than said aloud. Common in African American Vernacular English and widespread on social media.

Memory tip

Treat it like LMAO — a reaction dropped into a message, not a word used in a sentence's grammar.

Trace the full origin ↓
Easily confused with
CTFD LMFAO
Common pairings
ctfu at this I'm ctfu
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Fill the Gap

Can you complete this real example?

_____, he really wore that to a job interview.

Etymology

An initialism of cracking the fuck up.

Origin: English

LMAO LMFAO ROFL dying

Related Words

Rhymes for CTFU

See all rhymes for CTFU →

Frequently Asked Questions

What does CTFU stand for?

Cracking the fuck up, meaning laughing extremely hard. It works the same way as LMAO in a text or comment.

What is the difference between CTFU and CTFD?

They are opposites in tone: CTFU means cracking the fuck up, while CTFD means calm the fuck down. Reading one as the other reverses the message entirely.

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Definitions: FreeDict original editorial · etymology from FreeDict original editorial