[agent-n. in L. form from titillāre to tickle: see -OR 2 b.] One who or that which titillates; a tickler.

1

1823.  New Monthly Mag., VII. 36. These Protean combinations are the stimulants of fancy, the titillators of the imagination.

2

1892.  Blackw. Mag., Sept., 367. Our lives were made miserable by the titillator.

3