beslobber

To wet, besmear, or befoul with spittle or anything running from the mouth; cover in slobber; bespawl.

For one moment I had a vision of a horrible mask like a giant toad's, of a warty, leprous skin, and of a loose mouth all beslobbered with fresh blood.

To slobber over with effusive kisses; praise or flatter fulsomely or in a fulsome manner.

1828, Thomas Babington Macaulay, essay? The salaried Viceroy of France […] beslobbering his brother and his courtiers in a fit of maudlin affection.