Shiva Purana
दंष्ट्राकरालं दुर्धर्षं स्फुरिताधरपल्लवम् ॥ उत्तरं विद्रुमप्रख्यं नीलालकविभूषितम् ॥ २५ ॥
Its fangs were terrible and unassailable, and its lips quivered. The north is coral-like and decorated with blue eyelashes.
english translation
daMSTrAkarAlaM durdharSaM sphuritAdharapallavam ॥ uttaraM vidrumaprakhyaM nIlAlakavibhUSitam ॥ 25 ॥
hk transliteration by Sanscript