What does Cristiano Ronaldo's goal celebration mean?

When Cristiano Ronaldo scores goals, he usually marks them with a particular celebration. So, what, if anything, is the meaning behind it?

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Why does Cristiano Ronaldo do his 'Siu' celebration, and what does

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Cristiano Ronaldo reveals the meaning of his iconic 'Siuuuu

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What does Cristiano Ronaldo's signature 'siu' celebration mean

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What is Cristiano Ronaldo's celebration called? - Quora

Man Utd explain the 'in-joke' behind Cristiano Ronaldo's new

What does the celebration by Ronaldo against Bayern mean? - Quora