'Abdullah bin 'Abbas narrated that the Messenger of Allah (ﷺ) said:
"The likeness of the one who gives charity then takes it back is that of a dog who vomits then goes back and eats its vomit." (ID)
English reference (ID): Vol. 3, Book 15, Hadith 2391 (ID)
Arabic reference (ID): Book 15, Hadith 2481 (ID)