Sleeping Giant

Hi Brothers and Sisters :o)
I have been thinking about the phrase "sleeping giant" for the last few days. I thought I could find something in the Bible that referenced the term, but I can't. Can someone enlighten me as to what the term means? Does it refer to the Church?

Thanks
Sonya

Leonard Ravenhill talked about the church as a sleeping giant. There's an excerpt of him talking about this in The Old Paths a couple of issues back.