I think he must mean "AFK".

(Bumsmells, Fri 3 Nov 2006, 0:53, archived)

Technically no,
I have been out at a friend's house doing online radio. So at a keyboard but not on b3ta, if that makes sense?
( Lazlo Woodbine Fancy being an internet DJ? Gaz me for details., Fri 3 Nov 2006, 0:55, archived)

Phew.
Thought I'd missed out on a new bit of l337 5p33k ;)
( Prof. Slocombe checked Google and found out that its, Fri 3 Nov 2006, 0:55, archived)