Slang term, from the North of England, often describing a thing that is not ideal but does not impact the human affected too much that they will excessively worry or lose sleep at night about it.
An expression when you decide that it might be your last day living, and you are going to intake as much as you can in that 24 hours, and feel accomplishedat the end of the day.
I told my friend to Live every day like it's your last, because you never know when your going to leave, and go enjoy it with his friends and family.