Tootle

Now the scythe the morn salutes, In the meadow tinkling soon; While on mellow-tootling flutes Sweetly breathes the shepherd’s tune.

Source: wiktionary

We know the old lady is upstairs and that she is quite alone in the house and therefore it would be perfectly useless for her to tootle on her bedroom bell.

Source: wiktionary

Their booth did not have so many customers as did the other booths where the tootling laugh of Maybelle Merriwether sounded and Fanny Elsing’s giggles and the Whiting girls’ repartee made merriment.

Source: wiktionary

During the night, some of the locomotives began to tootle to one another, and then to move.

Source: wiktionary