The first assistant to the gaffer (head electrician) of a film crew.[Apparently borrowed from the sailing terminology.]
"Cast and director commentaries are one thing, but do we really need one from the post-production team, as we've seen on the extended edition of The Lord of the Rings: Return of the King? What's next? 'Reflections from the Key Grip and Best Boy?'" Mike Snider and Thomas K. Arnold; Press 'Repeat' or 'Skip'; USA Today (Washington DC); Dec 28, 2004.This week's theme: words related to movie making.
Pronunciation:
http://wordsmith.org/words/best_boy.wav
http://wordsmith.org/words/best_boy.ram
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