Pronounced "Bowl-ee" Boli is slang used for confirming you agree with something someone else is saying, ie someone being 'dead right' or 'on point'. Originated from Hyperbole being an exaggeration, thus 'bole' being the norm.
Use 1:Mostly used to show your agreement.
Use 2:Can be also used to describe something really good
Guy1:"She's alright, I reckon she's about an eight"
Guy2: "Boli", or "Boli as"
Use2: (eg describing surf) Sick, those waves look boli as..