Stupid means lacking in intelligence or someone exhibiting stupidity.
Stupid may also refer to:
Stupid (band), a punk rock band from Brooklyn
Stupid (art movement), a group of artists in Cologne in the 1920s
Stupid.com, a web site
"Stupid" (song), the second single from Raven-Symoné's self-titled album
Stupid!, a UK children's television show on CBBC
Emily is stupid. It's time for her to get a new car, and she sees a crappy Mustang. She asks "How fast does that car go? Does that go over 100?" "I want a car that goes fast!"
Definition of you. Just kidding, maybe. A 'special person' who needs 'special' help with their 'special' life because they are the opposite of smart, someone who you can call stupid and they will agree because they are proud to be stupid