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  any of the four corners of the diamond, especially first, second, or third base. 2  a square canvas sack containing sawdust or some other light material, for marking first, second, or third base.