We have a datacenter there, so I'd totally know exactly what city you meant by that. I wouldn't say we always call Chicago ORD, but it definitely happens.
Indeed ORD-style pizza is the best.
Back to that same old place, sweet home ORD.
I'd say the worst
It is not pizza, so it cannot be best or worst pizza.
On that we agree, but it's still bad, whatever you call it