What does Airhorning mean?

Airhorning meaning in Urban Dictionary

a task once you hide yourself in the environment of a golf program, frequently within the wooded areas. You then keep a distance with a minimum of 100ft from you together with tee field and await a golfer which will make their swing. Once he in mid-swing, and ensuring no-one views you, you strike an airhorn extremely loudly, being put him off. It is best to movie tape this to watch their responses repeatedly. If spotted by the golfers, run.