ALLEY-OOP

[al.ley-oop] n [alter. of allez-oop, cry of a circus acrobat about to leap, prob. fr. F allez, 2d pers. pl. imper. of aller to go + E -oop, perh. alter. of up] (1967): a basketball play in which a leaping player catches a pass above the basket and immediately dunks the ball; also: the usu. looping pass thrown on such a play