For those who don't know italian and would like to know the meaning of the lines...here they are:
Figlio di puttana, sai che tu sei un pezzo di merda?
means
Son of bitch, do u know you're a piece of shit?
Pezzo di merda, figlio di puttana.
means
Piece of shit, son of a bitch
Crepa, pezzo di merda, e vai
a sucare cazzi su un aereo!
means
Croak, piece of shit, and go
suck a dick on a plane.