Source : Webster's Revised Unabridged Dictionary (1913)

Smooch \Smooch\, v. t.
   See {Smutch}.

Source : WordNet®

smooch
     n : an enthusiastic kiss [syn: {smack}]
     v : snuggle and lie in a position where one person faces the
         back of the others [syn: {snog}, {spoon}]