Get out of your mind

To behave in a manner opposite of normal life resulting in any form of altered mental state, usually as a result of heavy consumption of alcohol. Behavior is akin to a semi truck with no fucking brakes. Inspired by the song of the same name, written and performed by the glorious, genius Lil Jon himself.
"Get out of your mind. Get out of your mind. Fuck that shit, get out of your mind."-Lil Jon
When someone says something so outrageous and unbelievable, one may say "Are you out of your tree?" which means that the person is out of their mind on such an idea. The phrase originates from the popular
Out of your mind, or head. Feeling crazy in the moment. Crazy enough to do something that you would not usually do, or perhaps it can be described for someone who always lives a little bit out of their gourd.
Someone might call out to another alarmingly, "Are you out of your gourd???" if they are planning to do anything extremely out of ordinary, or if they already catch them in the act.n
meaning if an old friend or enemy is not around for you to see, then that just means that he is out of your mind, meaning you are not thinking about him/her/them...they are living their own life and you are living yours...
Person1: What ever happened to person3???
Person2: Who cares, fuck person3, out of sight out of mind!!!