Natyashastra
यदा तु बकवद्गच्छेदुल्लोकितविलोकितैः । अन्यायतपदत्वाच्च अङ्गहास्यो भवेत्स तु ॥ १४०॥
When one walks like a crane, looking up and down repeatedly, and places the feet unusually—this too becomes a cause of laughter due to limbs (aṅga-hāsya).
english translation
yadA tu bakavadgacchedullokitavilokitaiH । anyAyatapadatvAcca aGgahAsyo bhavetsa tu ॥ 140॥
hk transliteration by Sanscript