Noun
1. The act of intentionally squatting/deadlifting or otherwise training ones legs, especially the quadriceps (thighs), to the point of failure/exhaustion.
2. A word used by a small number of gym junkies to describe the intensity of their 'leg day'
I was so depressed, I committed Bar-B-Quicide, by eating the entire "Flaming Bunghole Ghost Pepper" sauced rib rack at Jack Auf's Meat Shack with a hot coffee to wash it down.