Top Definition
A emissions testing program in St. Louis that requires drivers to have clean and efficient running cars in order to have license plates.
Can be a hassle, espically with older vehicles, and can get costly if you don't pass it.
1. Get your car running yet?
2. Nope. Failed the Gateway clean air program twice now.
by Shaun Speers May 16, 2005

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