Not rhyming slang, but the figure that indicates the number of people you can lose on a project before it fails due to loss of knowledge. I.e. how many trucks can wipe out individual team members before we stop.
I resychronised my zen nano at the weekend and about three months worth of ARCast came across – my podcast download sync had been working away happily in the background, downloading them into my sync playlist and – bang! – no space on my wee mp3 player.