It's when you say something that you shouldn't have said. Another one is to be born with a silver spoon in your mouth so if someone gave you a horse the first thing you do would be to check its teeth for good quality. If people are living from hand to mouth it means they're literally just surviving on a day-to-day basis and there's no way of saving any money. Don't look at gift horse in the mouth right don't look a gift Horse in the Mouth. You should accept anything given to you as a free gift, not question it too much or criticise its quality. It comes from the times when people had horses a lot in