Doodad
Definition 1 of 2

Casual
Use it in informal settings where the specific name of an object is not needed.

I lost a doodad from my favorite necklace.
Whimsy
Use 'doodad' to add a playful tone to your conversation.

This doodad makes my life so much easier!
Mystery
When describing an unfamiliar object, using 'doodad' can evoke curiosity.

It's just a doodad I picked up at the fair.
Compare with
gizmothingamajigtrinketwidget
WordUp Chrome Extension
As you browse the web instantly look up words you don’t know.
Get Chrome Extension