Use "hardhead|hardheads" in a sentence

1. You are a classic hardhead. Lighten up!

2. Croaker, hardhead, golden Croaker, or granier, is a marine member of the drum family, Sciaenidae

3. On 18 August 1944, 200 nautical miles (370 km) east of Samar, Natori was accompanying the transport T.3 to Palau when they were spotted by the submarine USS Hardhead east of San Bernardino Strait.