1 definition by A Human Urban Dictionary

Top Definition
1.Being slow, yet retarded at the exact same time, which was once thought to be impossible. Until but Rebecca Black proved us wrong.

2. When someone says something really stupid that makes like absolutely no sense, and makes you think the could possibly be retarded.

3. Another word for Justin Bieber.
Omg, did you hear that one girls dumb ass answer to todays math question!? That shit was just plain slowtarded.
by A Human Urban Dictionary May 13, 2011

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