free and easy
1. Casual, relaxed, as in His style of writing is free and easy. In the 1930s and 1940s this phrase gained currency as part of a slogan for a brand of cigarettes, which were said to be "free and easy" to inhale. [c. 1700]
2. Careless, sloppy, morally lax, as in This administration was free and easy with the taxpayers' money, or These girls hate to be considered free and easy. [First half of 1900s]