A fatal attack that consists of a hard throat chop (by hand or with a gun) followed sometimes by a headslam against a solid surface. It is not to be used carelessly. Seen in action during the badass movie "Taken", starring Liam Neeson.
Eric: Martin was giving you the stink eye all last night, what was up with him?
Brandon: Well, he was being a mouthy bitch the other day so I had to give him The Liam Neeson.
Eric: I'm surprised he's still breathing.