[He] couldn't keep from staring at my blacksnake. He'd probably never seen a dick like mine. I couldn't help but stare at his prick too. He had the smallest dick I'd ever seen on any man. […] She went over to Raft and pulled down his underwear, revealing his blacksnake. In front of Bogie, she eased down on her knees, skinned back the foreskin of Raft's penis, and insertd it into her mouth.
Source: wiktionary