a mild headache caused by someone confusing or acting abnormally towards you.
or
caused when you don't know how to talk to someone because they are so different from you
Christina: "I don't understand video-games they are a waste of time"
Sam: "You make my brain hurt"
A medical condition caused by the brains inability to process a constant overload of dumb.
Characterized by chronic headaches and a general hatred for all things that defy reason.
Extremely common in any military service member with an IQs higher than that of most household pets, but effecting anyone with an inability to wrap their head around concepts completely devoid of sense and reason. Often being constantly forced to do thing that they can prove are wrong, or waste time without any foreseeable benefit, usually also leads to a constant wishing that humans would evolve to a point where unintelligent thoughts causes physical pain.
Oh my God! If Senior Chief doesn’t stop trying to find a reason to nit pick everything that we are doing, he is going to agrivate my Brain hurty syndrome! I think if you swapped his brain with a shiny rock his intelligence would more than double. He’s so stupid it should hurt!
When someone says this that means they feel like they are going to cry but don’t know how to say it. They want you to ask if they are ok and give them attention. Go up and immediately give them a hug,
Girl 1: my brain hurts.
Girl/guy 2: omg are you ok? What’s wrong? *gives bear hug*
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.