When applied to girls: the quality of being unaware of - or otherwise unaffected by - blatant perving.
Gavin: (staring at Karen's breasts) Wow you have beautiful eyes.
Karen: Aw, you're so sweet.
Onlooker: Karen is totally impervious.
by PearlFly January 28, 2013

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Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

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Top Definition
im-pur-vee-uhs
not permitting penetration or passage; impenetrable, incapable of being injured or impaired:
The coat is impervious to rain, wear, and tear.
by Dani W June 16, 2008

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