C1

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What Does C1 Mean?

C1 means "Affirmative or Roger."

Summary of Key Points

"Affirmative or Roger" is the most common definition for C1 on Snapchat, WhatsApp, Facebook, Twitter, Instagram, and TikTok.
C1
Definition:Affirmative or Roger
Type:Abbreviation
Guessability:
4: Difficult to guess
Typical Users:
Adults and Teenagers

Using Numbers in Texts

This video shows the different ways that numbers are used in "text speak":

Example of C1 Used in a Text

C1

See Also

New ways to say I love you Text-speak using just numbers A list of dating terms