An example of this is the term groovy which is a relic of 1960's and 70's American hippy slang. Nevertheless, for a slang term to become a slang term, people must use it, at some point in time, as a way to flout standard language.
Cycling is a highly effective form of exercise. It requires a lot of energy, builds lean muscle mass, and improves your strength, cardio capacity and endurance. However, cycling won't specifically burn belly fat. It will certainly help to reduce your overall body fat, but since spot reduction is a myth, you will have to be patient for your belly fat to burn off with the rest of your fat.
SO THIS HAPPENED. Cycling is no doubt good for your body, says Anne Lusk, Ph.D., a research associate at Harvard School of Public Health in Boston. She studied more than 18,000 women over a period of 16 years and found that those who biked as few as five minutes a day gained less weight than those who didn't ride.