The phrase "poor officiating" refers to a situation where the person in charge of enforcing the rules in a game or event does a bad job. They make mistakes or unfair decisions that negatively affect the outcome of the game. Full definition
This kind of poor officiating kills the morale of players and their commitment to the game. (justarsenal.com)
This may be off topic but i think the ref need to be sanctioned for absolute lack of control, the Burnley guys ought to have been cautioned from first half but he publish Arsenal for almost every bookable offence when the other guys are having a free booking day... Poor officiating from Moss for the second time this season against Arsenal. (justarsenal.com)
United also got some help from poor officiating in their last 2games (Mhyki's offside goal, red card to West ham and Zlatan's offside goal). (justarsenal.com)