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best boy

American  

noun

Movie and Television Slang.
  1. the first assistant to the head electrician.


best boy British  

noun

  1. the assistant to the senior electrician or to the key grip in a film crew

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It’s telling that while Mr. Deakins takes pains to praise his longtime gaffer, key grip, dolly grip, best boy and more, he never bothers to define those roles for the lay reader.

From The Wall Street Journal • Mar. 13, 2026

"From key grip to best boy, everyone on the show has a fabulous recipe to share," the description of the book reads.

From Salon • Oct. 12, 2022

"Gavin and his partner, Lauren brought him up to be the best boy ever. Freddie was Gavin's whole world and spending time with him was his favourite thing to do," it said.

From BBC • Oct. 9, 2022

As with the best boy bands, Ben & Jerry’s ice cream flavors and group projects for school, the salad topping is much greater than the sum of all of its fresh ingredients.

From New York Times • Sep. 10, 2021

‘You’re the best boy in the world. I’ll never, ever forget you.’

From "Code Name Kingfisher" by Liz Kessler