The definition of this depends on the country and their laws and customs, the United States of America is much more freer than most countries. For example in places like Malaysia, a person cannot kiss in Public so a newly wed would be totally embarrassed to kiss in public and would attract a crowd and later the police so also as it is to attract a crowd if a woman drives in certain muslim countries. However, here is a list as required by the question. Grunt Wheeze Awful BREATH Fly low Regurgitation Stumble OVER Fall Flushed Hiccup Make up Have sex caught Masturbation Pollute the air(fart) Throw dirt from the window of your car Blow your horn