Sahih Muslim 4170
صحيح مسلم#4170SahihIbn 'Abbas (Allah be pleased with them) reported Allah's Apostle (ﷺ) having said this:He who gets back his charity is like a dog which vomits, and then returns to that and eats it
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 24:8