Bad Boy Meaning

Example : Used other than as an idiom: see bad,‎ boy.A man whose rebellious nature makes him attractive to women.  Let's get this bad boy done!1949 November-December, Low, Floyd E., “Keep that pitch UP!”, The Instrumentalist, volume 4, Association for the Advancement of Instrumental Music, page 38:  Many school music teachers and directors are not primarily clarinetists and, knowing little of the subtle intricacies of this "bad boy" of instruments, can teach little more than the fingering.1988[1], Writers Forum, number 14-17, University of Colorado at Colorado Springs:  […] he groaned as he twisted his arm over his head to follow the groove to the right wheel well, "if this bad boy connects right there, then it can't be a light."1992 November 16, “The POWERstation 220: Here today. More tomorrow. [Advertisement]”, InfoWorld, volume 14, page 137:  So isn't it time you took this bad boy for a test drive?