sop ‧ py /ˈsɒpi $ ˈsɑːpi/ BrE AmE adjective ( comparative soppier , superlative soppiest ) British English informal
[ Date: 1900-2000 ; Origin: soppy 'completely wet' (19-20 centuries) , from ⇨ ↑ sop 1 ]
1 . expressing love or emotions in a way that seems silly SYN sappy American English :
a soppy film
2 . be soppy about somebody/something to be very fond of someone or something, in a way that seems silly to other people:
She’s soppy about dogs.