Riyad as-Salihin, Book 3, Hadith 769 (In-Book)

Ibn 'Umar (May Allah be pleased with them) reported: During the lifetime of Messenger of Allah we would eat while walking and would drink while standing.[At- Tirmidhi].

وعن ابن عمر رضى الله عنهما قال‏:‏كنا نأكل على عهد رسول الله صلى الله عليه وسلم ونحن نمشى ، ونشرب ونحن قيام‏.‏ ‏.‏

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