You.
I am stupid because i had to look up stupid in the urban dictionary
You;
An insult.
You're stupid because you don't know what stupid means.
The definition of stupid is when someone is incapable of being smart :)
Karen: do you like Shéa?
Lola: No he’s too stupid
The classmate behind me, the one that looks like a 8 year old, shorter than my grandfathers toenail. Acting like that only makes you look dumb.
Classmate: ;)
Me: :I
My mind: This guy is stupid