When one person has a boner and slaps his friend in the face brutally with the dick while semen is on the tip. The semen acting as the snake venom, and the dick acting as a snake
His dad was a mexican trafficker, his mom was a lesbian, his dad got buttfucked by 10 monkeys in total while his mom was cucking him by riding a gorilla making him watch as her dad got him pregnant through his implanted vagina, and then 9 in the half months later: Uncle Edward was born as a Emo Femboy with titties.
A mythical creature usually invoked when someone fails to find an object that is in plain sight. This alludes to the idea that if that object were the dick-eating snake you would have lost your genetalia when you failed to see it.
Bill: "Where are my keys, dammit?"
Joe: "They're right here on the table, man"
Bill: " Oh duh! I see 'em now."
Joe: "Haha! Good thing it wasn't a dick-eating snake"