noun 1.a male entertainer, as formerly employed by resorts in the Catskill Mountains, who combined the duties of a comedian, activities director, and master of ceremonies to keep the guests amused throughout the day.
2.any lively, prankish, or mischievous man.
Origin: 1930–35; <
Yiddish tumler one who makes a racket, stir, equivalent to
tuml(
en) to make a racket +
-er -er1; compare
Middle High German getümel noise; see
tumble