Some translations of the Bible say that Goliath, the famous Philistine giant that David killed was 6 feet nine inches tall. I found an article that mentions that Kim Kardashian (5'1") has a boyfriend who is the same height as Goliath, (6'9") and there's a photo to compare them.
Let me take my sling shot and a pile of stones. Looks like I need to work on my aim... just in case you are right!