Meaning of big kahuna in English:

big kahuna

Pronunciation /ˌbɪɡ kəˈhuːnə/

noun

(also big kahoona)
  • 1 rare In Hawaii: a prominent priest, sage, or healer. Compare "kahuna".

  • 2 slang (originally and chiefly North American). Surfing. (A name for) a particularly skilled or respected surfer.

  • 3A person or thing of great importance or power.

Origin

Late 19th century; earliest use found in Leprosy in Hawaii. From big + kahuna.