No specific laws in Texas make it illegal to use profanity or "cuss out" a fast food or other service worker.
That doesn't mean being rude or abusive to a service worker in our state or anywhere else is totally free of consequences. According to the Texas Penal Code, it is clear that certain behaviors, including the use of abusive, indecent, profane, or vulgar language in a public place, can be illegal.
USC Trojans head coach Lane Kiffin was fined $10,000 by the Pac-12 on Monday for his repeated criticism of game officials following his team’s triple-overtime loss to Stanford last weekend.