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Designating a player who is proficient at making a jump shot immediately after receiving the ball, without moving from his or her current spot (typically some distance from the basket).
A jump shot taken by a player immediately after receiving the ball, without moving from his or her current spot. Also: a position suitable for taking such a shot; the act of taking up such a position.
1980s; earliest use found in Associated Press Newswire. From to spot up.