The process of walking into a neighborhood you don't belong to, Inwhich you weren't invited (usually looking suspicious).
Tasting can be caused by looking for a new party spot, smoking area, starting trouble, or simply getting lost.
Tasting can result in disputes over territory among other things.
JOE: "I've fucking seen that car pass by three times today and you know good and well they don't live here."
JUAN: "Man, you know those bitches are TASTING."