[f. JOKE sb. + -LET.] A little joke, a small witticism.
1847. Alb. Smith, Chr. Tadpole, xv. (1879), 136. The lecturer to enliven his subject made some small witticismor jokelet.
1875. Miss Braddon, Str. World, I. i. 17. Justina began to laugh, as if it had been a green-room jokelet.