Source : Webster's Revised Unabridged Dictionary (1913)

Lip \Lip\, v. t. [imp. & p. p. {Lipped} (l[i^]pt); p. pr. & vb.
   n. {Lipping} (-p[i^]ng).]
   1. To touch with the lips; to put the lips to; hence, to
      kiss.

            The bubble on the wine which breaks Before you lip
            the glass.                            --Praed.

            A hand that kings Have lipped and trembled kissing.
                                                  --Shak.

   2. To utter; to speak. [R.] --Keats.

Source : WordNet®

lip
     n 1: fleshy folds of tissue as those surrounding the mouth
     2: an impudent or insolent rejoinder; "don't give me any of
        your sass" [syn: {sass}, {sassing}, {backtalk}, {back talk},
         {mouth}]
     3: the top edge of a vessel [syn: {brim}, {rim}]
     [also: {lipping}, {lipped}]

lipping
     See {lip}