Natyashastra
अनीप्सिते विषादे च विस्मये प्रत्ययं तथा । पार्श्वावलोकने शून्ये प्रतिषेधे धुतं शिरः ॥ २४॥
(Uses): The Dhuta head is applicable in unwillingness, sadness, astonishment, confidence, looking sideways, emptiness and forbidding.
english translation
anIpsite viSAde ca vismaye pratyayaM tathA । pArzvAvalokane zUnye pratiSedhe dhutaM ziraH ॥ 24॥
hk transliteration by Sanscript