Plumbing engineer
A fancy title that a plumber, often affectionately termed a 'drippy' or 'pissy' in the UK, may like to give themselves. This is a gross misconception, they are merely a plumber.
Jim: "I've got a new job!"
Bob: "Congratulations mate, what work is it?"
Jim: "I'm going to be a plumbing engineer."
Bob: "Fuck off mate! You're gonna be a plumber, you jumped up cunt!"
Bob: "Congratulations mate, what work is it?"
Jim: "I'm going to be a plumbing engineer."
Bob: "Fuck off mate! You're gonna be a plumber, you jumped up cunt!"