Overly sentimental (5)
'overly sentimental' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for sappy that I've seen before include "Succulent" , "Full of juice" .)
(Other definitions for mawkish that I've seen before include "Insipid; maudlin" , "Soppy" , "Effusively or insincerely emotional" , "Cloying" , "Sentimental, schmaltzy" .)
'overly sentimental' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for maudlin that I've seen before include "Mushy and emotional" , "Foolishly sentimental, mushy" , "Over-emotional" , "Foolishly sentimental (often when drunk)" , "Self-pityingly" .)