smoocher

noun3

1. •
   (informal) Someone who smooches; a kisser.

   • When the pub downstairs closed, a contingent of straight couples ranging in age from 16 to 60 arrived to dance, though they were still safely outnumbered by same-sex huggers and smoochers. — 1988
2. •
   An annoyingly nosy person; a tag-along.
3. •
   Someone who borrows trivial items without returning them; a petty thief.