a nice way to tell the person yeah but then make an excuse last minute
person 1: want to come to my grandma's house next week
person 2: yeaaah
An expression of excitement in which you scream "OH YEAAAH!" at the top of your lungs whilst mimicking the voice of Vector, the main antagonist in the feature film, Despicable Me
I just received a $25 fine for parking sideways in my parking spot at school... OH YEAAAH!