Your post, quoted above, kittyboy, reminded me of two ways I was taught to say, “You think wrong” in Thai:
kun kít pìt and kun kít mâi-tùuk
Well, you never know, remembering those words may come in handy one day for some of our members when they are out with their boy du jour.
For example:
Boy: I thinking you buy me new iPhone.
Customer: kun kít mâi-tùuk
And lastly, I still think the comment by paborn, quoted below, best sums up this topic: