kahuna: [noun] a large breast. What does big kahuna mean? Ronald Comacho , one of three fans arrested, filed a lawsuit against the Chicago Cubs. Man, your girlfriend has some kahunas . If you're involved in starting the ruckus, you have some pretty big kahunas to then file a lawsuit. Usually used in the plural. You've got to have big kahunas to be in this business. The Big Kahuna is a 1999 American business comedy-drama film directed by John Swanbeck, and produced by Kevin Spacey, who also starred in the lead role. In surfer slang, "a god of surfing," it is attested from 1962 (but big kahuna in same sense is said to date from 1950s). kahuna (n.) 1886, in a report in English by the Hawaiian government, which defines the word as "doctor and sorcerer," from Hawaiian, where it was applied as well to priests and navigators. See more words with the same meaning… The word kahuna has gone through many variations in translation until it finally joined the English language in the middle of the twentieth century in the idiom the big kahuna, a term many Hawaiians find offensive. See more words with the same meaning: breast, breasts . The Big Kahuna Air Package includes the most luxurious and coveted ticket and travel plan to Hangout Fest by combining the Big Kahuna ticket with a private Aero jet charter direct to Gulf Shores. Big kahuna is an idiom that is derived from the native Hawaiian language. The film is adapted from the play Hospitality Suite, written by Roger Rueff, who also wrote the screenplay. big kahuna is defined by the lexicographers at Oxford Dictionaries as In Hawaii: a prominent priest, sage, or healer.