A commonly shared wall dividing two properties within a row house (or terrace)

(chiefly Internet slang) An intimidatingly large block of writing, particularly one with few or no paragraph breaks.

plural of hole-in-the-wall

(roofing) a nonstructural wall erected around units or curbs on a roof. Typically the framing consists of girts with a wood or metal covering attached to the frame.

Disaster is imminent.

simple past tense and past participle of climb the walls

plural of wall-pecker

plural of wall plug

(UK, plural only) A large historic line of walls encircling a town that normally dates back at least to the Middle Ages.

(skateboarding, snowboard, BMX) A trick where the rider makes the bottom of the board touch the side of a wall.