A mobile device resembling the shape of a 'Weiner' also known as the male genitalia, 'Penis'. Hence making the 'Weinermobile' a 'Moving Penis.'
Today this word refers to the
Oscar Meyer 'Weinermobile' which commonly
patrols the United States spreading the parent companies
illustrious name.
Hey
Pat, look at that fine looking weinermobile
coming down the road.
Wow!