Natyashastra
लम्बिताकुञ्चितपुटा शनैस्तिर्यङ् निरीक्षिणी । निगूढा गूढतारा च जिह्मा दृष्टिरुदाहृता ॥ ७५॥
Jihmā: The Glance in which the eyelids are hanging down and slightly contracted and the eyeballs are concealed, and which casts itself obliquely and slyly is called Jihmā (crooked).
english translation
lambitAkuJcitapuTA zanaistiryaG nirIkSiNI । nigUDhA gUDhatArA ca jihmA dRSTirudAhRtA ॥ 75॥
hk transliteration by Sanscript