CC Madhya 18.162

acetana hañā prabhu bhūmite paḍilā
mukhe phenā paḍe, nāsāya śvāsa ruddha hailā
Word for word: 
acetana — unconscious; hañā — becoming; prabhu — Śrī Caitanya Mahāprabhu; bhūmite paḍilā — fell on the ground; mukhe — at the mouth; phenā paḍe — there was foam; nāsāya — in the nostrils; śvāsa — breath; ruddha hailā — stopped.
Translation: 
Filled with ecstatic love, the Lord fell to the ground unconscious. He foamed about the mouth, and His breathing stopped.