Housing prices went up again, I've got nothing left.
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Post-2020 internet slang, extremely common on Weibo and 小红书. Originally from 麻木 (numb) but used as an emotional exclamation covering shock, exhaustion, resignation. Often amplified as 我麻了 or 人麻了.
usage
Strictly casual — never in formal writing. Fits English 'I'm dead', 'I can't even', 'I'm done'.