Sentence:  We were real <WSD>bucketheads</WSD> and we've got to make up for a lot of lost time. Even if we didn't know enough about the Communist conspiracy in those days to get out from behind the front organizations, then we certainly should have brains enough now to make amends by taking an active part in the present-day endeavors dedicated to exposing and destroying the Fifth Column in our professions. 
Meaning of the word marked with <WSD> tags:  A stupid or oblivious person.