Just thought I'd throw this out there. You'll need to watch for a few minutes to get the full point, but that's the world we live in. The whole video is great though.
tl;dw: The song's lyrics are about irony, just not situational irony, which is everyone's favorite kind.
It's a black fly in your blue Chardonnay
It's a free ride when you're already there
It's the good advice that you just can't take
Your boss decides to let you take a little break
His reasoning is that he wants a quality job and he'll need attention to pay
Excited, you walk right across the concrete that you'd just paved". That has nothing to do with the cigarette, a rather challenging example, and it's way to long. However, it's a pretty basic example of real situational irony.