oaf

noun3

1. •
   (disapproving) A person, especially a large male, who is clumsy or a simpleton.

   • Ouch! You dropped that box on my feet, you lumbering oaf!
2. •
   (disapproving) An ill-mannered person; a boor.

   • I hope you haven't been thinking me an awful oaf for not writing to thank you for so many jolly games after I left Tapsfield? — 1934
3. •
   (no longer used) An elf's child; a changeling left by fairies or goblins, hence, a deformed or foolish child.