built like a brick shithouse
adjective
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(Australia, Canada, British, US, New Zealand, simile, idiomatic) (of a man) Having a muscular body, particularly with well developed muscles of the chest, arms and abdominals.
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(Canada, US, simile, idiomatic, colloquial, somewhat, vulgar) (of a woman) Having an athletic or muscular body; often implying also having large breasts and/or an attractive body. "Over built" for the purpose. More effectively, or handsomely built than is strictly necessary.
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(Australia, New Zealand, Britain, Canada, US, simile, colloquial) (of an object) Exceptionally well constructed; strong or tough.