Definition of "sapo" []

• In pharmacy, soap. (noun)
• In ichthyology, the toad-fish, Batrachus tau. Also sarpo. (noun)
• Soap prepared from sodium hydroxid and olive oil; castile soap. (noun)

The Century Dictionary (Public Domain)

• "Eye-watering ingredients were recommended for these dyes, from leeches soaked in red wine to dye one’s tresses black, to an alkaline mixture of goat’s fat and beechwood ash known as sapo to lighten them."
• "Alguns ainda falam isso, com frases como “esse sapo barbudo nunca estudou” e “não se precisa mais estudar no Brasil: o Presidente só fez até a quarta série”."
• "Quiero gastar tus vísceras a besos, vivir dentro de ti con mis sentidos ... yo soy un sapo negro con dos alas."