Use "thickheads" in a sentence

1. Vanessa Covertly observes him as he sets their dinnerware at the table, while she cooks their dinner.: Therefore, sending him to operate Covertly behind enemy lines was a tremendous risk for the regime.: I need you to go in Covertly and collect as much information as possible so that I can present it to those thickheads and get approval.: At twenty-five past six I turned on the hot water in