1A disposable plastic or paper cup of the type provided by a cafe or restaurant for a takeaway drink; (originally specifically, especially in the southern United States) such a cup used to take an alcoholic drink away from the premises of a bar or restaurant; compare to go.
2A reusable cup of a type suitable for transporting a drink.
Origin
1980s.
Definition of go-cup in US English:
go-cup
noun
North American
1A disposable plastic or paper cup of the type provided by a cafe or restaurant for a takeaway drink; (originally specifically, especially in the southern United States) such a cup used to take an alcoholic drink away from the premises of a bar or restaurant; compare to go.
2A reusable cup of a type suitable for transporting a drink.