It's Lancastrian and possibly more specifically Prestonian dialect/slang. It's means mate/pal/boss/marra/compadre

To show annoyance or frustration at a specified event or person, usually put onto the end of an aforementioned sentence, used as a verbal alternative to a sigh

A term of endearment towards another person, originates from the Cajun French dialect.

A huggable handsome bitch boy

The word 'cha' is given to a guy who is very self-centred and try's to be/act cool too hard to the point in which he looks like an idiot. A dude who is considered cha has typically a muscular build and can be spotted at the gym sometimes flexing. They can also be seen shirtless and almost always wearing sunglasses.

Something that’s bad; or unpleasant.

Cha is a word indigenous people say instead of "wack"