on the skids


In the process of decline or ruin, as in If she quit now, her career would be on the skids. The skids here are runners such as those on a sled, enabling one to go downhill quickly. [c. 1920]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.