kk
phraseEtymology The Internet slang meaning is a reduplication of k (“okay”).
1
Internet Okay (indicates that no further explanation is necessary for a subject, or that the message was understood and will be acted upon without further confirmation).
2
Aeronautics, Aerospace, Aviation, Business, Engineering, Lifestyle, Natural sciences, Physical sciences, Tourism, Transport, Travel Confirm (originally a GDS status code, now often used as shorthand).