to disrespect or offend those in a higher position, such as elders, bosses, or ranking officers; to revolt against authority

hereafter abbreviated as; referred to as follows as

(variant form) not worth mentioning; beneath notice; referring to people or things of inferior quality that do not deserve individual evaluation

Below the level of quality that deserves comment; common and mediocre. From a story where a critic praised several kingdoms' music but found everything from the state of [[郐|鄶|kuai4]] onward too poor to review.