What does AFK stand for?

Action Fish Kayaks, Lummi Island, WA - Manufacturer code for watercraft hull identification number (USCG)

Africa Air Links - Sierra Leone - ICAO designator (FAAC)

Afrikaans - Language code (ETLW)

Air Forces Korea (SAUO)

Armed Forces of the Republic of Korea (CINC)

Away for a Kwickie - Internet lingo

Away from Keyboard - Computer hacker terminology (NHD)

Away from Keyboard or a Free Kill (TONE)

Fort Kent Public Library, Alberta - Library symbol - National Library of Canada (NLC)

Afrikaans (ADWA)