b (as modifier)
a lock gate
4 the jamming, fastening, or locking together of parts
5 (Brit) the extent to which a vehicle's front wheels will turn to the right or left
this car has a good lock
6 a mechanism that detonates the charge of a gun
7 ♦ lock, stock, and barrel completely; entirely
8 any wrestling hold in which a wrestler seizes a part of his opponent's body and twists it or otherwise exerts pressure upon it
Read number 8
I believe it's related to the best usage of the holds in wrestling, but I'm not sure. Hope it helped anyway.
number one fan
Last edited by Dunk20; 10-26-2012 at 05:56 PM.