Ayyub (may Allah have mercy on him), through his chain, narrates from the Prophet (peace and blessings be upon him) that he (peace and blessings be upon him) "forbade a man to drink from the mouth of a waterskin (by putting his mouth to it)."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصداق / 14665