Listen to Thumby Thumby Thumbappoovin online. Thumby Thumby Thumbappoovin is a Malayalam language song and is sung by Parvathy and Mithun Dev. Thumby Thumby Thumbappoovin, from the album Keralam - Lalithagaanangal, was released in the year 2005. The duration of the song is 5:14. Download Malayalam songs online from JioSaavn.