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?

What footballer's iconic celebrations mean: From CR7's SUI to

Cristiano Ronaldo: What Does The Soccer Icon's Famous 'Si

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

Man Utd star Cristiano Ronaldo shows off new celebration with

Why does Cristiano Ronaldo do his new 'sleeping' celebration

Alejandro Garnacho: Manchester United youngster mimics Cristiano

Cristiano Ronaldo fumes as Ghana star scores against Portugal at

Cristiano Ronaldo's new celebration explained: Why did the Man Utd

EPL: That's how he sleeps - Man United finally explain Ronaldo's

Cristiano Ronaldo: Why does Juventus star always do same

What does Cristiano Ronaldo's 'Siu' celebration mean and why does

Ronaldo Fan - ~ Most people don't even know what this celebration

Al-Nassr: Cristiano Ronaldo reveals true meaning behind 'Siuuuu

Explained: Why are tennis fans shouting Cristiano Ronaldo's Siiu

The story behind Cristiano Ronaldo's iconic 'siii!' goal