Top Definition
a condition not unlike down-syndrome that makes early 20's upper-middle class teens feel like they are somehow superior in terms of expression and coolness. They feel that they can make the world work with outdated technology that is neither cool nor cutting edge.
bro: look at that keut chick over there

carles: i like bitches with altsyndrome.
by sexy_kittens January 09, 2011

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