Todd Sloan was a famous American jockey, who road in the late 1800s/early 1900s.
Here's a good video which explains the whole Todd Sloan mystery rather well.
Credit: contributed by
Danny
on
5-Nov-2013.
Ratings for
Todd Sloan
This slang has been rated:
Classic
345
times. Modern
58
times. Mockney
196
times.