bob அசைந்தாடு acaintāṭu (asenjaaḍu) (3 intr) move to and fro; make a quick, short movement up and down etc.
Usage:
அவன் தாங்காத உணர்ச்சியில் அசைந்தாடினான் avaṉ tāṅkāta uṇarcciyil acaintāṭiṉāṉ avan taangaada oṇarcciyle asenjaaḍinaan Moved by emotions he couldn't control, he bobbed and swayed back and forth.