You're not a dork, Zara. Really, I'm the dork. If you sort through the posts on here, there are far too many Dalek-related posts. See, Daleks are these really "cool" evil robots from a British Science Fiction television show called "Doctor Who", which started in the 1960s.
They sort of look like Salt/Pepper shakers, and one of their catch phrases is "Exterminate". Where do the plungers come in? Well, one of their arms is sort of like a toilet plunger. This might clear things up a little bit better: