There are so many jokes here...
I could go with the "That's like 10,755 American posts" joke, but that's been done before.
I could ask where he logs on to the 'Net, because I didn't know they had it up there yet, but that's sort of dumb.
I could make some allusion to 12,000 being aboot the same number of troops in the Canadian military, but that's not even funny.
I think I'll just stick with this one: I still have more posts than you.
Congrats on 12K you crazy Mook.
I just hope he didn't already get a 12K thread...