*squeals*
I found it, I found it! No, seriously, I found it! Bow before my superior searching powers!
.... Right, now that I've gotten that out of my system, here's what I found: The fic I'd been looking for. *pauses* Ya know, if I'd just asked on tf2007fun I probably would have had an answer within the day... Anyway, go read the awesome hilariousness. This is not a request, it is an order. *pauses* I have Prowl supporting me here - it comes straight from him. So read.
http://www.fanfiction.net/s/3745085/5/Press_Button_Receive_Crack