because the parrots-EAT-them-all.

"Abu jumped out of her chair
and onto the cock,
of tony blair.
People scream! People Shout!
What a whore, what a whore, what a whore...
Cheryl! YOU SLAG,
Abu's got big bags,
she can smoke sixteen fags....
IN OOONNNNNNEEEEE BREATHEE!!!!!"

(courtesy of David Fenwick - lyrical genius.)