Ramayana
पाणौ पाणिं विनिष्पिष्य दन्तान्कटकटाय्य च । लवणो रघुशार्दूलमाह्वयामास चासकृत् ॥ 7-69-2 ॥
Grinding one hand against the other and gnashing his teeth, Lavana challenged the tiger among the descendants of Raghu again and again.
english translation