Definition of go-cup in 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.

Origin

1980s.