Quote by Cassandra Clare
That's why when major badasses greet each other in movies, they don't say anything, they just nod. The nod means, 'I am a badass, and I recognize that you, too, are a badass, ' but they don't say anything because they're Wolverine and Magneto and it would mess up their vibe to explain.
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Summary
This quote suggests that in movies, when two tough and powerful characters acknowledge each other with a nod instead of words, it is a sign of mutual understanding and respect. By nodding, they convey the message, 'I am a badass, and I acknowledge your badassery too,' but they refrain from explaining it verbally as it would disrupt their cool and confident aura.