to get involved in something complicated or messy
Ele acabou caindo no tacacá quando decidiu se envolver nas negociações da empresa.
He ended up getting involved in something messy when he decided to participate in the company's negotiations.
The idiom 'cair no tacacá' originates from the Amazon region of Brazil. Tacacá is a traditional soup made with tucupi (a yellow sauce extracted from wild manioc root), jambu (a native herb that causes a tingling sensation), and shrimp.
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