To remain at a certain place instead of moving on.
To stand about without any aim or purpose; to stand about idly.
For an aircraft to remain in the air near a target.
A standing or strolling about without any aim or purpose.
To hang out or wait around a location, preferably without drawing attention to oneself.
To read an Internet forum without posting comments or making one's presence apparent.
To saddle (a person) with an undesirable task or duty.
To remain unobserved.
To remain concealed in order to ambush.
The act of lurking.