Not cool, played out, cringe, not hype, boring. Also an adjective referring to nasty food, which you say while slamming said food on the table and making a tiktok video of it.
That song “yo have a gimme that bust-a-lane” is not bussin cuz if it was it wouldn’t be cool but it’s actually a good song.
Used to describe something you think is great. Mainly used by homosexual males, as it's what one would say when they think something is as good as "bussy" which is the root of the term.