This ones interesting A Jack low is a body shot of Jack Daniels taken from a woman's vigina or bum hole.
When your friends ask if the want to take a Jack low shot, you know the party's over...
Picture the scene, your at your mates 22 birthday party and the House lit.
( your buddy Drake who you're okay friends with only because you know that he's into some weird shit ): "yo lets step this house up with some Jack low shots!"
A 'Jack low' is similar to a body shot of Jack Daniels but instead of the shot been taken from someone's belly button, it is taken from either the woman's bum hole or vagina...
To have something taken from you by smooth talking or strong convincing. Not as violent or non-participatory as being High-jacked, being lowjacked involves ones own insecure or gullible nature.