clam diggers

or clam·dig·gers

noun (used with a plural verb)

casual pants that end slightly below the knee.

Origin of clam diggers

1850–55, for literal sense

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for clam-diggers

Historical Examples

Right sorry were the two little “clam-diggers” to leave the little companion of delightful days, and grandparents.
Blazing The Way
Emily Inez Denny
About nineteen, and the picture of the blonde that sits on the palisades of the Rhine and charms the clam-diggers into the surf.
Strictly Business
O. Henry

British Dictionary definitions for clam-diggers

clam-diggers

pl n

calf-length trousers

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012