Italian

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Etymology

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Univerbation of (gli) +‎ pesa +‎ (il) +‎ culo, literally his butt weighs him down.

Noun

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pesaculo m or f by sense (invariable)

  1. (Rome, colloquial) lazy ass (a lazy person)
    Vai a lavorare, pesaculo!
    Go to work, lazy ass!