drag on
To continue for an excessively long time. This case has dragged on for months. When will it finally end?
drag on (someone or something)
1. Someone or something that one finds stressful or burdensome. I need a break—dealing with a crying baby all day is such a drag on me.
2. An instance of inhaling smoke from a cigarette or something else being smoked. Every time you take a drag on a cigarette, you're inhaling dozens of different toxic chemicals. The detective took a drag on his last cigarette and then crushed the butt beneath his heel.
drag on
Also, drag out. Prolong or be prolonged tediously. For example, The speech dragged on for another hour, or He dragged out the story in an excruciating manner. [First half of 1800s]