(~s, tootling, ~d)
1.
If you ~ somewhere, you travel or go there without rushing or without any particular aim. (mainly BRIT INFORMAL)
I’m sure Ted is tootling down the motorway at this very moment.
VERB: V prep/adv
2.
If you ~ a tune on an instrument, you play it quietly, without concentrating or taking it seriously. (INFORMAL)
McCann ~d a tune on the piano.
VERB: V n, also V