1 definition by Txgirl
The true meaning of this phrase: It's an ANTI-LITTERING ADVERTISING CAMPAIGN started by the Texas Department of Transportation! See www (dot) dontmesswithtexas (dot) org.
It's an anti-littering campaign that has helped remove trash from Texas roadways by reminding people to clean up after themselves, so don't mess with Texas or you'll get a huge fine!
by Txgirl December 29, 2007