Definition of "sudsy"

A widespread belief in the AAF is that foam—a heavy soapy, sudsy substance—is the principal agent used in crash fire fighting .

1944 September, “Crash Fires: how to fight them”, in Air Force Magazine, volume 27, page 50

Use a sudsy sponge or cloth to wash the doors, both inside and outside. If the door can be lifted off, wash it at the sink with hot sudsy water.

1965, Cleanliness Bureau of the Soap & Detergent Association, Public Housing Administration, Simplified Housekeeping Directions for Homemakers, page 7

“Yes, daddy,” I moaned, lying big-time as his finger played in my sudsy pussy. “Say please,” he ordered, taking my hand to circle around his gherkin.

2010, Niobia Bryant, Live and Learn

There's an unstable stack of upturned plates and bowls on the draining board and an assortment of sudsy cutlery.

2018, Julia Kelly, Matchstick Man: The Story of a Relationship

By the end of that season, four sudsy series ranked in the Top 10: Dynasty in first place, Dallas second, Knots Landing ninth, and Falcon Crest tied for tenth.

2016, David Bianculli, The Platinum Age of Television […] , Anchor, page 140