Past tense of brick; built or paved with bricks, or caused to fail completely (slang).
From 'brick' as a verb, with '-ed' suffix. The construction meaning is centuries old; the slang meaning (broken, non-functional) emerged in tech culture around 2000.
When something is 'bricked' in tech slang, it means it's as useful as a brick—completely broken and immobile. This slang actually comes from phone/device users in the early 2000s and shows how fast new metaphors catch on.
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