drool (all) over (someone or something)
1. Literally, to release saliva from one's mouth onto someone or something. Can you please come in here and get your dog before he drools all over me?
2. To be very excited about or interested in something. My boyfriend has been drooling over those fancy speakers at the store.
drool (all) over someone/something
in. to show enormous desire for someone or something. Sam was drooling over Martha like a lovesick calf.