/ac = autocomplete
A response that's typically been stored in the user's browser auto fill/complete history and been posted again.
/ac is usually used when saying 'I've posted this before, and by heck it's come in handy again'
(
lazygamer VS tittybiscuits,
Wed 20 Jul 2011, 13:48,
archived)
I heart you
*shakes fist at cheeky hedgehog*
(
camp freddy well, would you look at that!,
Wed 20 Jul 2011, 13:50,
archived)