Well, the only way I can do that is to hold my breath for as long as possible, but my girlfriend has a way I can't because I won't bend. He takes a glass of water, makes a deep forward bend (head almost to his knees) and drinks a glass of water in this position. The point is to learn to drink somehow "upside down", ie to place the glass not on the lower lip, but on the upper lip. She has never drowned before and the hiccup always passes her immediately. I don't understand, but it's true.