Any type of firearm, that has either been previously used in a crime, or has been stolen. You buy them for a very low price, use them once, and then throw them away.

A graffiti piece that "burns(wildstyle or superb piece)" usally done on but no limited to Frieghts, Walls, Tunnels, Overpasses, Trucks etc.

A firearm used to murder, someone. The term 'burner' is only used when a firearm has at least one body, on it. After the weapon has been 'bodied' it is usually dropped at the crime, scene or cleaned up and sold on the streets for less than half its retail, price (e.g: Retail for a Beretta 9mm is $900, after being 'bodied' it will be worth roughly $300). It is purchased by another criminal, to murder someone and the process is repeated again.
There has been weapons seized by the police which have more than 20 bodies on them from all different crimes and sometimes even different countries.

What Timmy Turner wishes he had so he could kill everyone walking.

A song that was hot when if first came out and is still hot after a long period of time.

A skank who hides the fact that she has global thermo-nuclear VD until after you have went all up in that thing.

A person who has attended the Burning Man (also listed as BurningMan) Festival in Nevada. Especially one whose Burning Man-related hobbies or wardrobe are visible the other 51 weeks of the year