#1: Reduction of a fuel/substance to nothing through use or combustion.
#2: Physical or mental collapse caused by overwork/stress.
#3: Drug abuser or dropout
#4: Failure of a item through overheating.
#1: Spinning rear wheel/wheels of a motorized vehicle and in that way creating a thick smoke from the wheel-rubber.
#1: "Watch this huge carbon burnout."
#2: "A lot of stress may result in burnout."
#3: "My friend is a trashed burnout."
#4: "A mechanism prevents engine burnout."
#1: "Lets go out and make some burnouts and wheelies with your bike."