Sayyiduna Ibn Abbas (may Allah be pleased with them both) said: The Messenger of Allah (peace and blessings be upon him) asked for water, and a bucket of Zamzam was brought to him (peace and blessings be upon him). He (peace and blessings be upon him) put his mouth into it and drank while standing.
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 12449