verb-intransitive. To walk or move unsteadily or unsurely; totter.verb-intransitive. To alternate, as between opposing attitudes or positions; vacillate.verb-intransitive. To seesaw.v. To cause to teeter or seesaw.n. Northeastern U.S. See seesaw. See Regional Note at teeter-totter.n. Northeastern U.S. A teetering motion.