Don't count on that buckethead to finish the job, he can't even follow simple instructions.

buckethead 是由 bucket（桶）和 head（头）组成的复合词。bucket 本义是"桶"，head 本义是"头"。 buckethead 字面意思是"桶头"，用来形容人头脑像空桶一样，比喻"愚蠢、呆笨的人"。