Meaning: "Not Paying Attention". Often, people say they're "
AFK" while they are actually still at the computer. The right term they should use is "NPA", because that is actually what they mean while saying "
AFK".
Person 1: "Hi, how are you?"
Person 1: "...?"
Person 1: "Are you there?"
Person 2: "Sorry, I was NPA. I'm fine, how are you?"