paper wall (plural paper walls)
- (simile) A thin wall, especially if poorly soundproof.
2013 October 18, Marcia Munson, Judith Stelboum, The Lesbian Polyamory Reader: Open Relationships, Non-Monogamy, and Casual Sex[1], Routledge, →ISBN:They can even hear me yawn, what with these paper walls.
- Used other than figuratively or idiomatically: see paper, wall.