The burning rocks that fall out of the end of spliffs and make tell-tale little black holes on the upholstery.
Oi watch it, you're gettin rockburns on my sofa ya bellend
by Medzedz May 18, 2005
1 more definition
the state of skin that has been burned by the sun through black jeans, characterized by redness and mild burning pain
I'm getting a bad rockburn right now through the window of the van, but the pain makes me feel alive.
by Lizzy Gator March 05, 2015