This mistake is now so ubiquitous, we may have to accept it, even if it’s bad grammar, but it’s another THINK coming, not THING. THINK about it.
Dick said, “I’ve put up with Harry’s shit long enough. If he thinks he can stay another month rent-free at my apartment, he’s got another THINK coming.”
Harry’s first think on the subject was decidedly unsatisfactory to Dick. Harry’s got to think again. Things never come into the picture.by