Sc. [f. BUM v.2 + -ER1.] That which hums or buzzes; spec. a toy (see quot. 1821).
1821. Blackw. Mag., X. Aug., 35 (Jam.). Bummers, or a thin piece of wood swung round by a small cord, I have not seen for many a day.
1862. Hislop, Prov. Scot., 185. The loudest bummer’s no the best bee.
