double date
US /ˈdʌb.əl ˌdeɪt/
UK /ˈdʌb.əl ˌdeɪt/

1.
a social engagement in which two couples go out together
:
•
They decided to go on a double date to the movies.
•
It was awkward at first, but the double date turned out to be fun.
a social engagement in which two couples go out together