Webster’s Revised Unabridged Dictionary · 1913
Tootle
Too′tle, v. i. [imp. & p. p. Tootled; p. pr. & vb. n. Tootling.] [Freq. of toot.] To toot gently, repeatedly, or continuously, on a wind instrument, as a flute; also, to make a similar noise by any means. "The tootling robin." John Clare.