Top Definition
1. Overconfident or cocky.

2. Believing that you know everything to the point to where it can harm you or work against you.

3. Assuming or Showing knowledge/intelligence to the point where it can harm you or work against you.

4. Believing that you know something you really don't, which could get you in trouble.

This can also mean too good for your own good or too big for your britches.
Don't be too smart for your own good. It has it's own way of catching up with you.

Most of the young and inexperienced is too smart for they own good.
by Mr. Terrence L. Trezvant April 15, 2007

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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1. Believing that you know everything to the point to where it can harm you or work against you.

2. Assuming or Showing knowledge/intelligence to the point where it can harm you or work against you.

3. Believing that you know something you really don't, which could get you in trouble.

This can also mean too good for your own good.
Don't be too smart for your own good. It has it's own way of catching up with you.

Most of the young and inexperienced is too smart for they own good.
by Mr. Terrence L. Trezvant January 10, 2007

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt