noun / proper noun
coke
KOHK/koʊk/
A cola soft drink, especially Coca-Cola.
The diner pours a coke over ice, sending bubbles up through the glass.

Etymology
Coke is a shortening of Coca-Cola, whose name refers to the coca leaves and cola nuts from which its original ingredients were derived.
In context
to this idea of brand, and I was talking about Coke and Pepsi, etc.
he's opening a packet of crisps and getting a can of Coke out