What most people who define words here are.
My friend said to me one day "Hey, let's go onto Urban Dictionary." and I replied with "Are you that stupid?".
to not be extremely intellectually involved
If you have bad grades you may be considered “stupid”
though, being stupid isn’t all about grades you can say something stupid, for example “Why is water wet?”
a great example of stupid is avah marie.
stupid looking, is looking dumb based on your looks
Avah Duffy has been acting so stupid lately, she even got a obvious lyric wrong.
You for reading this
Wow you are a very stupid person I thought you were a dog the first time I saw your Twitter