To scold someone mercilessly and thoroughly; to heap abuses on someone; to give someone a severe dressing-down.
她因为在会议上发言不当，被上司狗血喷头地批评了一顿
She was mercilessly criticized by her boss for her inappropriate remarks during the meeting.
Next Idiom
To scold someone mercilessly and thoroughly; to heap abuses on someone; to give someone a severe dressing-down.