It means to give someone last couple of pulls of a cigarette. A bust down is when you give someone half of your cigarette.
by Shaj Miah April 9, 2007
A phrase commonly used in the Mcjuggernuggets series "My Virtual Escape". In the series, the characters often interact with on another in a VR world/alternate dimension known as "EVE" which is controlled by The Overlord. The joke is that the world is very cold and since The Overlord runs it they want him to turn the air down.
by The MGV July 17, 2021