[b112]

They're called pies everywhere (pizza pies), but as with many things, the pie part is now unspoken.

Such as gas for gasoline, and so on.

EG, it's not an alias, but the dropped, rest of the name.

[Sohcahtoa82]

"soda pop" is an interesting one. Some regions dropped the soda, others dropped the pop. Some dropped neither and still use "soda pop".

And then some Neanderthal regions decided to drop both and use "Coke" as a generic term for carbonated soft drinks.

[sokoloff]

“I’ll have an orange Coke.” is a valid order in those latter areas. It sounds crazy to me.

[doubled112]

I would assume you meant something like "vanilla Coke" and wonder if you found an interesting combo on one of those fancy pick your flavour to add to your drink fountain dispensers.

[hombre_fatal]

No, they are giving an example of ordering an orange soda by using the word coke for something that is not Coca-Cola which is what the upstream comment is talking about.