1) All full of kissing and stuff 2) Beyond romantic 3) Excessively emotional 4) Full of smooching and such 5) Like an overripe melon 6) Like banana pudding 7) Like cooked oatmeal 8) Like oatmeal 9) Like overripe bananas 10) Like some love letters 11) Mawkishly amorous 12) Not al dente 13) Oozing schmaltz 1) Bathetic 2) Damp 3) Hokey 4) Lovey dovey 5) Maudlin 6) Mawkish 7) Schmaltzy 8) Schmalzy 9) Soft 10) Sticky 
• (a.) Soft like mush; figuratively, good-naturedly weak and effusive; weakly sentimental.
Mush'y adjective Soft like mush; figuratively, good-naturedly weak and effusive; weakly sentimental. « She 's not mushy , but her heart is tender.» G. Eliot. 
Mushy is slang for sentimental, cloying.
[adj] - having the consistency of mush
adjective having the consistency of mush
resembling mush; pulpy. · overly emotional or sentimental: mushy love letters.