The Collaborative International Dictionary of English v.0.48:

Smooch \Smooch\, v. t.
   See Smutch.
   [1913 Webster]
   [1913 Webster]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Smutch \Smutch\, v. t. [imp. & p. p. Smutched; p. pr. & vb. n.
   Smutching.]
   To blacken with smoke, soot, or coal. [Written also
   smooch.] --B. Jonson.
   [1913 Webster]

WordNet (r) 3.0 (2006):

smooch
    n 1: an enthusiastic kiss [syn: smack, smooch]
    v 1: snuggle and lie in a position where one person faces the
         back of the others [syn: smooch, spoon]

Moby Thesaurus II by Grady Ward, 1.0:

30 Moby Thesaurus words for "smooch":
   begrime, besoil, bill and coo, blow a kiss, buss, copulate, dally,
   dirty, foul, grime, kiss, lip, lollygag, make love, make out, neck,
   osculate, osculation, peck, pet, smack, smirch, smudge, spoon,
   sweet-talk, tarnish, toy, trifle, wanton, whisper sweet nothings