1 definition by Kaistianity

The art of eating a lot of food to gain muscle mass. This art form is commonly used by people who are overweight or obese as an excuse to eat a lot because they recently bought a gym membership.
"Dude isn't that your like 8th burrito? Your going to get fat."

"No dude it's alright, I'm bulking up. I'm going to need it later for when i work out"
by Kaistianity January 26, 2012