An incongruity between expectation and result.
A. Same thing as a "quickie" only you do it yourself.
It depends on the definition of lightbulb.
Edi si AnTWOnio Luna. Yeah yeah, the result of being stuck in the traffic. XD
Screw it. EDIT: has a better answer lol
It's in the name...
Irony.
Me : Job. Interviewer : I mean what do you want from this job Me : Salary