Usamah bin Zaid narrated that his father Zaid bin Harithah said:
"The Messenger of Allah said: 'Jibril taught me (how to perform) the ablution, and he ordered me to sprinkle water underneath my garment, lest a drop of urine leak out after the ablution.'" (Da'if)Other chains with similar wording. (JA)
English reference (JA): Vol. 1, Book 1, Hadith 462 (JA)
Arabic reference (JA): Book 1, Hadith 498 (JA)