Then you would like the word Thingamajigger from Cat in the Hat. There is also ShrinkamadoodleShowing my age here, but back in the 80's there was an old Whatchamacallit (a word that is fun enough to say itself) candy bar commercial that I loved as a kid.
Two words from that song have been heavily used by me ever since: Thingamabob and Doodad.
I just love nonsensical sounding words.
Hass avocadosguacamole