Natyashastra
अंसोपरि शिरः कृत्वा कर्पूरक्षोभमेव च । उद्वाहितं तु विज्ञेयं लीलया वेशने प्रभोः ॥ २३३॥
With the head resting on the shoulder and making a slight movement (like brushing off camphor), the posture is known as Udvāhita. It is to be used in sportiveness or on hearing the master's words.
english translation
aMsopari ziraH kRtvA karpUrakSobhameva ca । udvAhitaM tu vijJeyaM lIlayA vezane prabhoH ॥ 233॥
hk transliteration by Sanscript