An alley-oop in basketball is an offensive play in which one player passes the ball near the basket to a teammate who jumps, catches the ball in mid-air and dunks or lays it in before touching the ground. The alley-oop combines elements of teamwork, pinpoint passing, timing and finishing. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.