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 huggable handsome bitch boy

Something that’s bad; or unpleasant.

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

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

If you see someone attractive you would say or shout out "Cha". Implying or asking a question "would ya?" "would you"