ENOfficial
‘Amir b. Rabi'a said he had seen the Prophet (ﷺ) more often than he could count using a toothstick while he was fasting. Tirmidhi and Abu Dawud transmitted it.
Source: sunnah.com
Other translations
Arabic
وَعَنْ عَامِرِ بْنِ رَبِيعَةَ قَالَ: رَأَيْتُ النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ مَا لَا أُحْصِي يَتَسَوَّكُ وَهُوَ صَائِمٌ ". رَوَاهُ التِّرْمِذِيُّ وَأَبُو دَاوُدَ
sunnah.com