The male counterpart of a Plain Jane.
Person A: "Hey man, don't ask Tommy to do nothing, he never wants to do anything outside of work."
Person B: "So he's a real Boring Bill, huh?"
A Snake Sucker is a person who is known for sucking long, thick dicks. A "Snake" is usually a black man's large dick.
Person A: "Hey man, did you see that video of the Snake Sucker that my man recorded?"
Person B: "No, man. If she can take that though, she's gotta be something else."