The story
empty + Etihad, implying that there are few Manchester City fans and the ones that exist are supposedly silent or do not attend games.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: City of Manchester Stadium (known as Etihad Stadium for sponsorship reasons), the home ground of Manchester City F.C. Full definition →
empty + Etihad, implying that there are few Manchester City fans and the ones that exist are supposedly silent or do not attend games.
Etymology from Wiktionary, CC BY-SA 4.0.