Sometimes a metaphor grows legs and runs away. A particular form of drug, for instance, is now eponymous for any extraordinarily dangerous addictive object or activity:

and so forth. The phrase also appears in important but somewhat less serious contexts:

etc. That, in turn, empowers the same metaphor to spread to humorous usage with a serious edge:

And, in our own household, Pocky: "the crack cocaine of candy" ...

(cf. AddictiveTrope (25 May 2006), ...)

TopicLanguage - TopicHumor - 2004-05-09

(correlates: AddictiveTrope, ThingsPeopleAndIdeas, HansBethe, ...)