Dingbong

A word to describe someone who is silly in a humorous way

“What are you doing, you dingbong?”

Dingbonger

Usually referred to as an individual who acts/ or performs as if they were another person.

A week after you get a new item and new wardrobe another person purchases the same item, which; could be a variation of the original item, or the exact replica. The person who is unoriginal would also be known as, a dingbonger.