D defs.my
Entry 2 senses Webster, 1913

hootenanny

· hoot·en·an·ny · IPA /ˈhutənæni/
01 n. An informal social gathering or concert featuring mostly folk songs, sometimes dancing, and where the audience often participates in the singing.
  1. 1.
    An informal social gathering or concert featuring mostly folk songs, sometimes dancing, and where the audience often participates in the singing.
  2. 2.
    Same as whatchamacallit; a thingumbob.[Obsolescent, chiefly dial.] See: whatchamacallit