What is coj?

The mixture of coaca-cola and orange juice (co-jay)

Shit brah I'm bout to pour me some more of that dank ass Coj, wheres the sunny d?

coj - meme gif

a cod that normal makes a bodge job of yer plumbing, now very rare due to the extensive bloody fishingand also decent plumbers

'OMG i can't believe your hiring that coj, remember the mess he made last time'