dufus

/ˈduːfəs/
noun
  1. A person who is silly, stupid, or clumsy; a mild insult often used playfully.
    • Don't be such a dufus — you put the milk in the cupboard instead of the fridge!
    • My little brother is a total dufus sometimes, but he makes me laugh.
    • The dufus tripped over his own shoelaces and dropped his lunch tray.
Antonyms
What does "dufus" mean? | whatsthatwordmean | whatsthatwordmean