ma'bah - A brother who talks too much and thinks he's the main charac

A brother who talks too much and thinks he's the main character of your life.

'Ma'bah, you said you'd be quiet during the movie. Why did you scream the whole time?''

'Ma'bah, I didn't even ask you for advice. Why you always got to talk?''

'Ma'bah, you're the reason I failed math. You kept interrupting me.'