Which came first the Wiener or the Wiener?

Have you ever wondered the origins of slang terms? The other day I was talking with my friend and we discussed the origin of the term wiener for hot dogs and whether or not the slang term for man junk came before or after the introduction of the cow beef wiener. There are two possible conclusions, either the all beef wiener came first or the slang term for the all man wiener came first. My initial thought was that a bunch of immature men (really any men) had been calling their twig and berries a wiener and decided to make a food that had a similar shape and would feed it to people and sit back and laugh while the duped individuals enjoyed the moist and tasty treat. The other idea was that the all beef cow wiener came first and that due to its unfortunate shape the term wiener became a slang term for the male naughty part. While I like the idea of the first story I decided to do a little research and find out more about the term wiener.

First off be careful what you Google. The Germans have been eating sausage wieners for years it appears which seems to make a lot of sense, you know because Germans love David Hasselhoff and wieners. German Americans introduced us to wienerwurst which is German for Vienna Sausage (also a slang term for ill-sized dude junk). The term hot dog originally appeared in the Oxford English dictionary in 1900 and cow beef wieners were popularly sold at Coney Island. In the 1920’s wiener roasts were very popular as people would roast the juicy specialty meat over an open fire. This is the end to my extensive search on wiki answers and I wasn't able to find any information on the slang term wiener and its origins.

 While I like to think that immature men were the genius mind behind the off colored American treat there doesn’t seem to be any evidence at all to support my theory. On the side of my theory though there doesn’t seem to be any data showing when the slang term wiener first came into use which is exactly what the individuals who first decided to make a dingy shaped food would want, no evidence. While the facts show that the most likely scenario is that the all beef wiener came first and that the slang term for the tally whacker came second I still keep hope that evidence will surface and make the true naughty nature of the All American treat known to all.