Definition of go-juice in English:

go-juice

(also go-go juice)

noun

US
informal
  • Fuel for cars, aeroplanes, etc.; (also) electrical energy. In extended use: something that provides energy or acts as a stimulant, especially coffee.

Origin

1920s; earliest use found in The Indianapolis Star. From either go or go + juice. In some forms with reduplication of the first element, perhaps influenced by go-go.

Pronunciation

go-juice

/ˈɡəʊdʒuːs/