ALL meanings of boneheaded
bone·head
B b - noun boneheaded a foolish or stupid person; blockhead. 1
- adjective boneheaded being of, by, or for a stupid or unthinking person: a bonehead mistake. 1
- adjective boneheaded (Slang) like a bonehead. 0
- adjective boneheaded (Slang) like something a bonehead would do. 0