EXAMPLES FROM THE WEB FOR LUNKHEAD
She'd be all right if she didn't have such a lunkhead of a brother.
It is only because you are a lunkhead that you perceive any great mystery here.
Why, you lunkhead, this gentleman will tell you I am his guest!
Why don't you take your lunkhead of a son home to his mother, if he isn't bright enough to understand fun!
They cant see through the wall, you lunkhead, answered Bob, and if anyone comes out well see em and let you know.
Here, take hold of these guns—-easy now, they won't hurt you; one at a time, you lunkhead!
The conclusion, in the light of what we knew from Rutter, was obvious, even to a lunkhead like myself.