The Book of Drinks (Kitab Al-Ashriba) 
Muslim :: Book 23 : Hadith 5022
Abu Huraira reported Allah's Messenger (may peace be upon him) as saying: None of you should drink while standing; and if anyone forgets, he must vomit.
The Book of Drinks (Kitab Al-Ashriba)
Muslim :: Book 23 : Hadith 5022
Abu Huraira reported Allah's Messenger (may peace be upon him) as saying: None of you should drink while standing; and if anyone forgets, he must vomit.