Valmiki Ramayana Yuddha Kanda Sarga 50 Shloka 63

नगयोधिनः who fight uprooting trees, विक्रान्ताः proud of their ability, आस्फोट्याः breaking forth, वानराः Vanaras, स्पोट्य cracking fingers and making loud noise, शतसहस्रशः hundreds and thousands, विविधान् several, द्रुमान् trees, उत्पाट्य uprooted, तस्थुः stood.

The Vanaras who can fight with trees, uprooted several trees expressing their capacity distinctly and breaking them, and cracking their fingers. Making loud noise in hundreds and thousands stood there.