the reason you looked this up
Me: "Your search was so stupid"
You, just you.
"This guy/girl/basketball is so stupid" said Obama Prisim
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