KCCO

Keep Calm & Carry On

It's actually "Keep Calm & ____" and people insert just about any word or phrase in the blank, like "Keep Calm & Love On" or "Keep Calm & Call Batman" or "Keep Calm & Go Shopping" or "Keep Calm & Be Yourself." The possibilities are endless :)

Online jargon, also known as text message shorthand, used in texting, online chat, instant messaging, email, blogs, and newsgroup postings, these types of abbreviations are also referred to as chat acronyms.  

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See also : YOLO  CY  KIR  
NetLingo Classification: Acronyms and Text Message

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