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.