Twirling it violates pretty much all the safety rules at once, but some dingbat in Hollywood thought it was cool.
Arnold did the same with a cut-down 1887 shotgun in Terminator 2 as well.
"And Shepherds we shall be. For thee, my Lord for thee. Power hath descended forth from thy hand, that our feet may swiftly carry out thy command. So we shall flow a river forth to thee and teeming with souls shall it ever be. In nomine Patris, et fili, et Spiritus Sancti. Amen."