Could just do it to the tune of 'Hey Jude' but switch "Hey Jude" for "Manu".
But they might think we're chanting for Utd.
Someone posted a decent one in a thread a couple of weeks ago.... It was something like:
Adebayor,
Adebayooooooor,
He hates the Gooners,
But we hate them more!
Adebayor, Adebayor,
Man City Wages
Divided By Four
Adebayor is a yid,
is a yid,
is a yid,
Adebayor is a yid,
he hates Arsenal.