1 definition by 5n1tch

1. A gang/mafia term regarding the illegal traffic of guns. This references how a automatic type weapon heats up with prolonged use and how stolen goods are "hot".

2. Also, referring to the act of selling or using these guns. Particularly in assassinations. This is in conjunction with the word air-conditioning

3. A cover for a gang/mafia business in illegal use of weapons.
"I put in some heating for Doug."

OR

"I work in the heating business."
by 5n1tch September 6, 2011
Get the heating mug.