Drag-on meaning

(idiomatic) To last too long.

11 January 1929 Chicago Tribune - SENATE WARS ON VAGUE TERMS OF ANTI-WAR PACTDebate on the Kellogg Mar renunciation treaty dragged on in the senate today with no immediate prospect of final action.

25 December 2004 Boston Globe - In Washington state, the race for governor drags on -- and on.

28 July 2006 New York TimesThe villain is a grotesque exterminator voiced by Paul Giamatti, and the climactic battle against him, though it drags on a bit too long, does have its moments.