in the swim


Actively participating, in the thick of things, as in He was new in town, but he soon got in the swim at school. This expression alludes to the fishing term for a large number of fish in one area, a so-called swim. [Mid-1800s]

Words Nearby in the swim

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