Green’s Dictionary of Slang

drooly n.

[drool n. (2) + sfx -y]

(US) a stupid, unpopular person; also as adj.

[US]Berrey & Van den Bark Amer. Thes. Sl. (Supplement).
[UK]R.L. Pike Mute Witness (1997) 141: He was a sort of a drooly little goon.