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 does Cristiano Ronaldo's 'siuuu' celebration mean?

What does Ronaldo's celebration 'siuuuu' mean? -God of Sports

Cristiano Ronaldo fined $22,700 for 'obscene' copycat gesture

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

Cristiano Ronaldo's goal celebration against Everton was 'self

Cristiano Ronaldo: Di striker don chop fine from Uefa for im goal

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

Piers Morgan leads brilliant fan reaction as Cristiano Ronaldo

Siuuu: Meaning of the popular Cristiano Ronaldo goal celebration

Cristiano Ronaldo's Response To Myrto Uzuni Copying His Goal

What is Cristiano Ronaldo's Siuuuu celebration about?

Cristiano Ronaldo's goal celebration - explained

Cristiano Ronaldo's 'Calma Calma' Celebration From 2012 Goes Viral

Cristiano Ronaldo's goal celebration against Everton was 'self

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