poriomania (pÅrâ³ Ä-Å-mÄnâ² Ä-Ä) [Gr. poreia, walking, + mania, madness]
1 Refers to the bowler's motion that ends with the start of the delivery. 2  arm-swing: The arc of the bowling arm and hand from the swing to the backswing. 3  arrows: Targeting arrows that appear on the lane 12 to 16 feet beyond the foul line. 4  Also called darts.
The term originated in cricket, where it refers to three wickets taken by a bowler in three consecutive balls, traditionally rewarded with the presentation of a hat. It later was transferred to ice hockey, soccer, and baseball, where it denotes three consecutive successes (goals, hits), and then to more general use.