Definitions

1. noun

A vague or uncertain object, often used to describe something that is not known or is difficult to identify.

“I’m not sure what the problem is, it’s just a thingum in the engine.”

2. interjection

An expression used to describe something that is confusing or puzzling.

“Thingum, what’s going on here?”

3. adjective

Describing something as obscure or obscurely named.

“It’s a thingum of a name, but I think I’ll use it.”

4. verb

To describe something as obscure or vague, often used in a humorous or ironic manner.

“He thingumed the instructions and still managed to assemble the furniture.”