Also in occasional use in North America alongside the more frequent "teeter-totter".
Mid 16th century (in an earlier sense). A reduplication (with vowel variation) of totter.
Originally: to play on a see-saw (now rare). Later figurative: to vacillate between different courses of action.
Originally English regional (chiefly East Anglian); subsequently also in North American use, now alongside the more frequent "teeter-totter".
Early 19th century; earliest use found in Robert Forby (1759–1825), philologist. From titter-totter.