When the city of Seattle decided to build a light rail system in the South Lake Union area of Seattle, they decided that it needed a trolley. So millions of dollars later and what do we get?
We get a SLUT.
The South Lake Union Trolley.
Before everything was done, someone realized that the acronym really wasn't appropriate. (For South Lake Union. In Downtown or Pioneer Square SLUT would have been useful. As in "Ride the SLUT to get to your prostitute.")