A mass of bubbles in or on the surface of a liquid
To form or cause to form foam
You may not get the suds you're used to when you make your own shampoo.
The old gals could certainly put away the suds.
Don't worry, though; you don't need the suds to get your hair clean, though it may take some time to get used to working with a non-lathering product.
Main SUDS used permeable paving has been used in the Phase 3 parking areas with a total site area of approximately 1.2 Ha.