tickler

From tickle + -er.

• IPA^(key): /ˈtɪkələ(ɹ)/, /ˈtɪklə(ɹ)/

• Audio (General Australian):

  (file)

tickler (plural ticklers)

1. One who tickles.
2. (informal) A person who or thing which amuses or excites.
3. A reminder.

   Put it in the tickler file for next week.

4. A latex condom that has additional protrusions, for enhancing the sexual pleasure of the user.
   • 2005, Tom Horn, chapter 2, in The Devil and George Bailey, [s.l.]: RSE, published 2011, →ISBN, part III (Fire), page 827:

     I could tell in advance if they were screamers, or leatherettes, or buggers, or great head-givers, or into toys and ticklers – I had it down to an art.

5. (informal, dated) Something puzzling or difficult; a conundrum.
6. (US, business) A tickler file, file cabinet, or similar containing memoranda of deadlines arranged in date order.
   • 1862, The Parish Will Case, in the Court of Appeals:

     The moment she bought any item of stocks, any commercial paper or other securities in the course of her Wall-street operations, she at once wrote it down in the tickler.

7. (UK, dated) A prong used by coopers to extract bungs from casks.
8. (dated) A dram of spirits.
9. (slang) Something puzzling; a poser.
10. (Philippines) A small notebook that fits the pocket or pocket notebook.

• (condom): French tickler

• “tickler”, in OneLook Dictionary Search.
• Tickler file on Wikipedia.Wikipedia

• trickle