1. One, such as a social director or entertainer, who encourages guest or audience participation.
2. One who incites others to action.
[Yiddish tumler, from tumlen, to make a racket.]
(Theatre) a comedian or other entertainer employed to encourage audience participation or to encourage guests at a resort to take part in communal activities
[C20: Yiddish, from tumlen to stir, bustle]
1. an employee at a resort hotel, esp. in the borscht circuit, who works as a comedian, activities director, and master of ceremonies.
2. Slang. a lively, boisterous, or prankish person.
[1930–35; < Yiddish tumler one who makes a racket, stir, derivative of tuml(en) to make a racket; compare Middle High German getümel noise; see tumble]