SB 2.6.9

pāyur yamasya mitrasya
 parimokṣasya nārada
hiṁsāyā nirṛter mṛtyor
 nirayasya gudaṁ smṛtaḥ
Synonyms: 
pāyuḥ — the evacuating outlet; yamasya — the controlling deity of death; mitrasya — of Mitra; parimokṣasya — of the evacuating hole; nārada — O Nārada; hiṁsāyāḥ — of envy; nirṛteḥ — of misfortune; mṛtyoḥ — of death; nirayasya — of hell; gudam — the rectum; smṛtaḥ — is understood.
Translation: 
O Nārada, the evacuating outlet of the universal form of the Lord is the abode of the controlling deity of death, Mitra, and the evacuating hole and the rectum of the Lord is the place of envy, misfortune, death, hell, etc.