It is narrated from Sayyidah Duba'ah bint al-Zubayr (may Allah be pleased with her) that she presented some meat to the Prophet (peace and blessings be upon him); he (peace and blessings be upon him) bit some off it with his teeth and ate, then prayed and did not perform ablution (wudu).
Hadith Referenceالمعجم الكبير للطبراني / مسند النساء / 21209