beep
n.— «Now he lumbers toward the back of the batting cage to watch Rascals infielder Justin McKinley take his cuts off the ballclub’s manager, Randy Martz, a former Cubs hurler who does double duty during batting practice (or “beeps,” in Rascal parlance).» —“3 Nights in June ” by Mike Seely Riverfront TImes (St. Louis, Mo.) July 27, 2005. (source: Double-Tongued Dictionary)