a shandy (n):
a drink made by mixing lager with lemonade
champagne (n, uncountable):
fizzy white wine
a G and T (n, informal):
short for a gin and tonic
to buy a round (v):
often when people are in a group, each person takes it in turn to buy drinks for everyone in the group
It's my/your/her/his round
I'll buy everyone a drink
Addressing people informally:
If people know each other very well or if one person is much older than the other one, they might address each other informally using love, dear, hen, or pet. But it's not usually appropriate for a man to use these terms with a woman, in the way that Tim does with Alice