Definitions

1. noun

a person whose feet are flat, especially someone with flat feet or a tendency to walk flat-footedly, often used to describe a person who is clumsy or awkward

“The detective was a bit of a flatfoot and struggled to keep up with the suspect’s quick pace.”

2. noun

a member of a police force, especially in the United States, in the late 19th and early 20th centuries, known for being unsophisticated and corrupt

“The flatfoot in the movie was portrayed as a stereotypical corrupt cop from the early 20th century.”