
1) Abounding in juices 2) Abounding in sap 3) Bathetic 4) Cockamamie 5) Cockamamy 6) Extremely sentimental 7) Foolish 8) Goofy 9) Like maple trees 10) Like maple trees and pigeons 11) Like rom-coms, typically 12) Like sentimental trees 13) Ludicrous, foolish 14) Maudlin 15) Mawkish 16) Over sentimental
Found on
https://www.crosswordclues.com/clue/sappy

1) Cockamamie 2) Cockamamy 3) Corny 4) Foolish 5) Goofy 6) Juicy 7) Silly 8) Wacky 9) Whacky 10) Zany
Found on
https://www.crosswordclues.com/clue/sappy

• (superl.) Hence, young, not firm; weak, feeble. • (a.) Musty; tainted. • (superl.) Abounding in sap; resembling, or consisting largely of, sapwood. • (superl.) Weak in intellect. • (superl.) Abounding with sap; full of sap; juicy; succulent.
Found on
http://thinkexist.com/dictionary/meaning/sappy/
Sap'py adjective [
Compar. Sappier ;
superl. Sappiest .] [ From 1st
Sap .]
1. Abounding with sap; full of sap; juicy; succulent.
2. Hence, young, not firm; weak, feeble. « When he had passed this weak and
...Found on
http://www.encyclo.co.uk/webster/S/16

Sappy is slang for silly or fatuous.
Found on
http://www.probertencyclopaedia.com/browse/ZS.HTM

[
adj] - abounding in sap
Found on
http://www.webdictionary.co.uk/definition.php?query=sappy
adjective abounding in sap; `sappy maple trees`; `sappy kindling wood`
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.