Boating enthusiasts, walkers and others who enjoy relaxing by canals were on the warpath last night after British Waterways announced plans to cut 180 staff.
a course leading to warfare or battle hostile or belligerent mood; "the chief is on the warpath today
If you say that someone is or has gone on the warpath, you mean that they are angry and getting ready for a fight or conflict. I had warned the children that daddy was on the warpath. be on the warpath to be angry and looking for someone to fight or punish