The apostle of Allah ﷺ forbade drinking from the broken place (of a cup) and blowing into a drink.  

أَنَّهُ قَالَ نَهَى رَسُولُ اللَّهِ ﷺ عَنِ الشُّرْبِ مِنْ ثُلْمَةِ الْقَدَحِ وَأَنْ يُنْفَخَ فِي الشَّرَابِ