booby1

 
Pronunciation: /ˈbuːbi/

noun (plural boobies)

  • 1a stupid person.
  • 2a large tropical seabird of the gannet family, with brown, black, or white plumage and brightly coloured feet.
    • Genus Sula, family Sulidae: several species

Origin:

early 17th century: probably from Spanish bobo (in both senses), from Latin balbus 'stammering'