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