1 definition by iloveyourmominbedonmybirthday

Top Definition
Tumblr Famous is a person who reaches 1,000 and stops following back. He or she also denies there famous even when random followers find you at the mall.
ME: Dude your Tumblr Famous.
You: No Im not
by iloveyourmominbedonmybirthday September 15, 2010

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