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Bravo and Sierra are two of the military's words used to prevent misunderstandings in radio transmission. They stand for the letters B and S in the same way that Alpha means A and X-Ray means X.

Using "I call bravo sierra" is a more articulate and less crude way of saying "I call bullshit". It also can be a coded way of letting your friends know what you think while keeping the clueless out of the circle.

The phrase has been popularized by the XM Satellite radio team of Opie & Anthony.
Herbert: "I graduated Princeton with a 4.0 cumulative average."
Jimmy: "Did ya? I call bravo sierra."
by Chris Zizzo October 14, 2006
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Jun 12 Word of the Day
Solarpunk is a movement focused on a positive, ecological vision for a future where technology is used for human-centric and ecocentric purposes. It is a literary, artistic and aesthetic sub-genre and is also closely tied to eco-political activism. Solarpunk narratives have a distinctly positive and utopian foundation in contrast to the often dystopian visions found within other "punk" science fiction genres.
Solarpunk is a literary movement, a hashtag, a flag, and a statement of intent about the future we hope to create.
by wix99 September 20, 2016
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