1) All wet 2) Drenched 3) Excessively sentimental 4) Lovey-dovey 5) Maudlin or wet 6) Mawkish 7) More than damp 8) Overly sentimental 9) Saturated 10) Sentimental 11) Sentimental, and then some 12) Soaked 13) Soaking 14) Sodden 15) Sopping 16) Thoroughly wet 17) Too sentimental 18) Wet through and through Found on https://www.crosswordclues.com/clue/soppy
Sop'py adjective Soaked or saturated with liquid or moisture; very wet or sloppy. « It [ Yarmouth] looked rather spongy and soppy .» Dickens. Found on http://www.encyclo.co.uk/webster/S/146