The phenomenon in which humans are frightened or embarrassed to move their bowels in a public washroom due to the fear that someone will hear or smell them taking a poop and either identify them or laugh at their general grossness.

a phrase chiefly used in northern England.

it is a contracted form of "it'll be reet", where "reet" means "alright" or "OK".

living your life according to "be reet" is the only way to find happiness in life.