- Abounding with sap; full of sap; juicy; succulent. - Hence, young, not firm; weak, feeble. - Weak in intellect. - Abounding in sap; resembling, or consisting largely of,
sapwood.
Meaning of 'sappy' (Princeton's WordNet)
1 . sappy
[ s]
Meaning (1): - effusively or insincerely emotional