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It was narrated from 'Abdullah bin Tawus, from his father, from Ibn 'Abbas, that the Messenger of Allah (ﷺ) said: "The one who takes back his gift, is like the dog which vomits then goes back to its vomit."
Source: sunnah.com
Other translations
Arabic
أَخْبَرَنِي زَكَرِيَّا بْنُ يَحْيَى، قَالَ حَدَّثَنَا إِسْحَاقُ، قَالَ حَدَّثَنَا الْمَخْزُومِيُّ، قَالَ حَدَّثَنَا وُهَيْبٌ، قَالَ حَدَّثَنَا عَبْدُ اللَّهِ بْنُ طَاوُسٍ، عَنْ أَبِيهِ، عَنِ ابْنِ عَبَّاسٍ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " الْعَائِدُ فِي هِبَتِهِ كَالْكَلْبِ يَقِيءُ ثُمَّ يَعُودُ فِي قَيْئِهِ " .
sunnah.com