noun
duffer
DUF-er/ˈdʌfər/
A person who is clumsy, unskilled, or foolish.
I'm still a duffer at golf, but I enjoy playing.

Etymology
The origin is uncertain: the sporting insult may come from a Scottish term for a dull person, or from slang for a seller of spurious goods.
More examples
- Even a duffer like me can follow these simple instructions.
- We play for fun, so duffers are always welcome.
- I feel like a duffer whenever I try to fix anything.
Forms
duffer · duffers