General Lurking:
* The shadowy figure lurked in the alleyway, unseen.
* I spent the entire day lurking online, reading news articles.
* She lurked around the corner, waiting for the perfect moment to surprise him.
Lurking Online:
* I'm going to lurk on social media for a bit and see what's going on.
* It's important to be aware of the dangers of lurking on the internet.
* Some people like to lurk in online forums and never post.
Lurking in a More Figurative Sense:
* Danger lurks around every corner in this part of the city.
* The feeling of loneliness lurked in the back of her mind.
* The possibility of failure lurked in the shadows of his dreams.