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Phrase(s): built like a brick outhouse [and] built like a brick shithouse
Fig. well-built—either strong or full-sized. (Built more strongly than is typical. The second form is potentially offensive. Use only with discretion.) • Look at that guy’s muscles—he’s built like a brick shithouse. • This garage is built like a brick outhouse. It’ll last for years.
McGrawhill's American Idioms And Phrasal Verbs