ONAD→back-to-back

back-to-back

EnglishOxford New American Dictionary

back-to-back /ˌbaktəˈbak, ˌbæktəˈbæk

▸ adjective consecutive:

back-to-back homers in a major league baseball game.

▸ adverb (back to back)

1 (of two people) facing in opposite directions with their backs touching:

they sat on the ground, leaning back to back.

2 consecutively; in succession:

the games were played back to back.