Shiva Purana
यदा च नोक्तवान्किंचित्सोवधूतो दिगम्बरः ॥ ऊचुस्तं पुरुषं भीमं तदा ते परमर्षयः ॥ १६॥
When the naked sage did not reply, the great sages told that terrible Puruṣa.
english translation
yadA ca noktavAnkiMcitsovadhUto digambaraH ॥ UcustaM puruSaM bhImaM tadA te paramarSayaH ॥ 16॥
hk transliteration by Sanscript