An unfortunate sickness of the stomach that requires one to be almost permanently stationed on the toilet. The increase in the number of bowl movements is typically accompanied by a stool consistency similar to muddy water.
i.e. Hershey Squirts

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.