While Jordan Belfort was in prison for securities fraud, he began writing the book that would become Martin Scorsese's Oscar-nominated movie. This story first appeared in the March 7 issue of The Hollywood Reporter magazine.
Freebase(0.00 / 0 votes)Rate this definition: In baseball, the bullpen is the area where relief pitchers warm-up before entering a game. Depending on the ballpark, it may be situated in foul territory along the baselines or just beyond the outfield fence.
Baseball. 1  a pitch that is swung at and missed by the batter. 2  a pitch that passes through the strike zone and is not swung at by the batter. 3  a foul tip caught by the catcher when there are already two strikes against the batter.  a foul bunt when there are already two strikes against the batter.