Answer
Hadhrat Anas ibn Maalik (Radhiallaahu Anhu) is reported to have said that
Rasulullah (Sallallaahu Alayhi Wasallam) has prohibited one from standing
and drinking. Hadhrat Qataadah (Radhiallaahu Anhu) said, ‘I asked, “what
about standing and eating?” Hadhrat Anas replied, “that is even worse.”
(Muslim vol.2 pg.173)
It is reported from Hadhrat Abu Hurayra (Radhiallaahu Anhu) that Rasulullah
(Sallallaahu Alayhi Wasallam) said, ‘None of you should stand and drink. If
anyone did so forgetfully, then he should vomit. (this is just to emphasise
the prohibition)/ (Muslim vol.2 pg.173)
and Allah Ta’ala Knows Best
Mufti Ebrahim Desai
FATWA DEPT.