mumbleபிதற்றுpitaṟṟu(peettu, pedaḍru)(3 tr)talk nonsense; speak inarticulately; utter clumsily or indistinctly; murmur; burble; talk incoherently; be blithering, blathering, babbling, driveling; babble, chatter, prate, jibber, murmur, mutter
Usage:
தூக்கக்கலக்கத்தில் அவன் ஏதோ பிதற்றுகிறான்tūkkakkalakkattil avaṉ ētō pitaṟṟukiṟāṉ
tuukka kalakkattule avan eedoo peetturaan
He is tired, and just mumbling nonsense.