Green’s Dictionary of Slang

1. of an object or place, very attractive.

1958

Murtagh & Harris Cast the First Stone 154: Before I knew it, I was in front of this drooly apartment building, and a doorman helped me out of the car.

2. (US) sexy.

1952		N.Y. Daily News 26 Aug. 11c: Rain can turn the sharpest dressed drooly dream boat into a drizzly drip from the knees down [W&F].
1991		B. Hamper Rivethead (1992) 132: This chewed-up mutation of a football star who, once upon a time, looked awful drooly pastin’ petals on the prom float.