To dawdle; to be lazy or idle; to avoid necessary work or effort.
Horseplay, fooling around.
A layabout, one who lallygags.
To saddle (a person) with an undesirable task or duty.
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 remain unobserved.
To remain concealed in order to ambush.
The act of lurking.