[dmn]

"Kine" means Excellent in Hawaiian, Which would make more sense than saying Kind/Friendly bud.

Highest rated urban dictionary definitions for "Kind Bud" also state and correct this common mistake.

[code_duck]

Sounds good to me. By the time I first heard this in person, people were saying 'kind bud' most definitely, though - so it has a place the vernacular in that form. Slang is a funny thing.