boneheads
bone-heads
noun
People who are extremely foolish or unintelligent, often acting carelessly.
"Those boneheads left their brollies at home."
Thesaurus
Synonyms: lunkhead, dunce, dumbass, dunderhead, fuckhead, hammerhead, knucklehead, numskull, loggerhead, muttonhead, shithead, blockhead