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"