Use "knucklehead" in a sentence

1. “This knucklehead has posted a big challenge on his fuckin’ website

2. “Chuck for once don’t be a knucklehead, you have 9 minutes to give me that chip or you’re going to die weather they shoot me or not

3. This is an historic autobiography of a knucklehead growing up in the 50’s and 60’s

4. What a knucklehead

5. “You’re going to hit your head coming up like that one of these days and I’ll be the one laughing at you, you knucklehead,” Aesa warned his friend, trying to calm his beating heart after the scare

6. “I love you, too, knucklehead,” he replied

7. "Be a knucklehead