Back in the day, going to the movies as a couple was the standard thing to do.
noun-modifying (irregular)
back-to-back; dual; tandem; double
Prenominal use meaning two things happening together or in succession. Most common in sports contexts like アベックホームラン (back-to-back home runs).
See also: アベックホームラン
The cleanup hitters on both teams hit back-to-back home runs.
The two of them went to see a movie together as a couple.
In that match, both teams achieved a joint victory.