CC Madhya 18.16

govardhana dekhi’ prabhu ha-ilā daṇḍavat
‘eka śilā’ āliṅgiyā ha-ilā unmatta
Word for word: 
govardhana dekhi’ — seeing Govardhana Hill; prabhu — Śrī Caitanya Mahāprabhu; ha-ilā daṇḍavat — offered obeisances like a straight rod; eka śilā — one piece of stone; āliṅgiyā — embracing; ha-ilā — became; unmatta — maddened.
Translation: 
When the Lord saw Govardhana Hill, He immediately offered obeisances, falling down on the ground like a rod. He embraced one piece of rock from Govardhana Hill and became mad.