back-to-back
A
adjective
back-to-back houses maisons adossées l'une contre l'autre
B
adverb
1 (with backs touching)
to stand back-to-back [two people] se mettre dos à dos
2 (consecutively)
to win three tournaments back-to-back gagner trois tournois de suite
to watch two episodes back-to-back regarder deux épisodes de suite