wall-to-wall
US /ˌwɑːl.təˈwɑːl/
UK /ˌwɑːl.təˈwɑːl/

1.
covering the entire floor area of a room
:
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The living room had wall-to-wall carpeting.
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They installed wall-to-wall bookshelves in the study.
2.
present everywhere or in every part of something
:
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There was wall-to-wall traffic on the highway.
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The concert hall was wall-to-wall with fans.