The complete inability to perform basic mathematical functions. This can be caused by a long lapse in time between math classes causing brain atrophy, or general retardedness.
I am completely mathtarded in my college algebra class, probably because i haven't taken a math class in three years.
Describing a man and/or his behavior that is stupid, childish and thoughtless toward his significant other. Displaying behavior that indicates that the man is not listening to or being compassionate for his significant other.
A variation of "insensitive dickwad" or "self-centered prick"
Sally: I hate this fucking gray nasty weather. I'm gonna go stab somebunny...BRB
John: I got a RedSox app
Sally: Why are you so mantarded? I told you I'm gonna stab somebody and you're talking about your phone app!?!
When you fail at something in life (eg. failing an exam or not getting a job), go home and spend an hour just standing in the shower, propping yourself up against the wall with your eyes on your feet.
Caleb knew the only thing to do after he didnt get prefect was take a failureshower.