| We ought to pull back the police in this country because in my opinion, having worked with some of these knuckleheads, they are out of control. |
| There are a few knuckleheads in every branch and specialty in the military. |
| All these knuckleheads who want to run for president, like Mike Huckabee, Sarah Palin, and Newt Gingrich. |
| But while the Jackass guys may play knuckleheads on TV, they actually appear to be quite shrewd. |
| While sitting on the side of the road with nothing to do, the two knuckleheads decided to smoke a joint. |
| If that's the case, then I hope they're cuter than these two knuckleheads sitting in front of me. |
