Source : Webster's Revised Unabridged Dictionary (1913)

Suds \Suds\, n. pl. [Akin to sodden, seethe. See {Seethe}.]
   Water impregnated with soap, esp. when worked up into bubbles
   and froth.

   {In the suds}, in turmoil or difficulty. [Colloq.] --Beau. &
      Fl.

Source : WordNet®

suds
     n 1: the froth produced by soaps or detergents [syn: {soapsuds},
          {lather}]
     2: a dysphemism for beer (especially for lager that
        effervesces)
     v 1: wash in suds
     2: make froth or foam and become bubbly; "The river foamed"
        [syn: {froth}, {spume}]