Uhh, I don’t get it…….
Well, no fear! The One Piece Encyclopedia is here to help!
Brook’s joke where he leans against the wall and forms a 45 degree right angle triangle seems to originate from Michael Jackson. Michael Jackson performed many famous gravity defying 45 degree leans during a few of his music videos which seemed impossible for a normal human to perform.
Apparently, the joke on ’45 degrees’ is a reference to Michael Jackson’s gravity-defying dance moves – specifically, in Smooth Criminal (Youtube search):
This has to do with Brook being a skeleton because of Michael Jackson’s video Thriller (Youtube search):
Two of the best Michael Jackson dances in my opinion.
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PS. Hahahahaha! Via trackback from arekuru, a cosplay Brook 45 degrees!