eg1. Jack stole Micks beer
Mick: WTF man! Stop burning and give me my beer back. I was well chill!
eg2.
Dan: I'm thinking of inviting Jack to the party.
Mick: NO WAY! That douche is such a burner.
Mixing MDMA (Ecstasy) with amphetamine. This is a dangerous mix that is warned against. "Burning" is yet to become a popular slang term.
Starting to "burn" at the end of "rolling" can make for a nice cushion.