What's the meaning of "put someone on one's heels"?

Question

> Get graphics working on tables, charts, the whole nine yards. Janine! > > What's the angle, five words? > > Far left of center. > > That's four. > > Very far left of center. > > **Enough to put Walker on his heels?** > > f*ck his heels. > > This will put him on his ass._from season 1 episode 1, House of Cards_What's the meaning of "put someone on one's heels"?

Answer 1

In this context, this term means to "push someone back". I see it as the opposite of allowing someone to be on his toes, which means prepared and alert. In sports, like tennis, to ne on your heels means to be undready to move forward..