Used in areas of north England for persuasion

Briefly, "the realization that each random passerby is living a life as vivid and complex as your own." Originally from the Dictionary of Obscure Sorrows, which has a lot more beautiful neologism definitions like this you might enjoy.

A word typically used in England used for persuasion and to swear on. Much like the term “dads life” which means you swear on your dads life