Sunan Abi Dawud 4848
سنن أبي داود#4848Da'ifAmr b. al-Sharid quoted his father al-Sharid b. Suwaid as saying:The Messenger of Allah (ﷺ) came upon me when I was sitting thus: having my left hand behind my back and leaning on the fleshy part of it, and said: Are you sitting in the manner of those with whom Allah is angry?
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Zubair Ali ZaiDaif
In-book reference: 43:76