1 definition by roflcopter25161758

adjective
1. someone who acts like you are a sex god when they're stuck on first base
2. someone who acts cool when they really arent

verb
3. to do something really stupid
1. Dude, he's such a blair. He always says how much pussy he gets but no girl likes him.

2. He acted like a blair when he showed up to the party without being invited.

3. He pulled a blair when he thought toast was a dairy product.
by roflcopter25161758 May 6, 2009
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