Valmiki Ramayana Sundara Kanda Sarga 27 Shloka 37
Original Shlokaपीत्वा तैलं प्रनृत्ताश्च प्रहसन्त्यो महास्वनाः।।5.27.37।। लङ्कायां भस्मरूक्षायां सर्वा राक्षसस्त्रियः।
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भस्मरूक्षायाम् in a dry place turned into ashes, लङ्कायाम् in this Lanka, सर्वाः all, राक्षसस्त्रियः demonesses, तैलम् oil, पीत्वा after drinking, प्रहसन्त्यः laughing away, महास्वनाः shouting in a loud voice, प्रनृत्ताः च danced.
"All the demonesses in the city of Lanka which had turned dry, reduced to ashes, were dancing, laughing and shouting loudly drunk with oil..