* A silly or foolish person: This is the most common usage of the word. For example, "That dingus forgot his keys again!"
* A gadget or device, especially a strange or unusual one: "What is that dingus you're holding?"
* A clumsy or awkward person: "He's such a dingus, always tripping over his own feet."
It's important to note that "dingus" is generally considered informal and slangy, so it's best to use it cautiously in formal settings. It can also be considered offensive depending on the context and the way it's used.
The best way to understand the meaning of "dingus" is to consider the context of its use.