1. browsing shops without intending to buy anything that time.
2. actually shopping for new windows
3. watching the prostitutes in the red light district
1. "did you buy anything while you were out?"
"no, i was just window shopping"
2. "That little wanker just booted the ball through the window, i'll have to go window shopping now"
3. "Jimmy's gonna window shopping, i think he's after a blow job"