to knife-jack 

to kidnap someone at knife point, then proceed to take them hostage, threaten, rape, or in some cases, kill them.

Nobody knows to this day if Jack the RIpper tried to knife-jack his victims or if he used more subtle forms of psychological manipulation on them before killing them.

if you want to learn how to knife-jack someone, your best bet would be to talk to someone like Jack the Ripper.

to knife-jack by Uncle Dimma March 5, 2015

to knife-jack 

( named after Jack the Ripper : to take hostage, kidnap, threaten, rape, or sodomize someone at knife point

Nobody knows to this day if Jack the RIpper tried to knife-jack his victims or if he used more subtle forms of psychological manipulation to get them into his hostel room before killing them.

to knife-jack by Uncle Dimma May 27, 2013

to knife-jack 

( named after Jack the Ripper : to take hostage, kidnap, threaten, rape, or sodomize someone at knife point

Nobody knows to this day if Jack the RIpper tried to knife-jack his victims or if he used more subtle forms of psychological manipulation on them before killing them.

to knife-jack by Uncle Dimma December 8, 2014