Definitions

1. noun

A clumsy or awkward person.

“He’s such a duffy, always tripping over his own feet.”

2. adjective

Clumsy or awkward, especially in a way that is amusing or endearing.

“The duffy toddler was trying to climb the slide, but kept falling down.”

3. proper noun

A surname of Irish origin.

“The famous Irish-American, Duffy, won the Oscar for Best Actor.”