a loud call expressing anger, pain, excitement etc [↪ scream, yell]:
a warning shout
2 British English spoken
to go and find someone and tell them something:
Give me a shout when you're ready to go.
3 British English, AusE informalDFD
someone's turn to buy drinks:
It's my shout. Same again?
4 British English informal
to have a chance of winning