Define Bulking Up Meaning

Bulking Up
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 Debora
Bulk Up
A male definition. Adding muscle mass or weight by going to the gym frequently and eating a high-protein diet.

Q: Dude, why are you eating so much meat?
A: I'm trying to bulk up.
By Giana
Bulking Up
The act of which someone of Bulky nature becomes enraged.

Watch it man, he's Bulking Up
By Rycca
Bulk Up

After eating the concealed pizza, I grabbed the bog and proceeded to bulk up
By Mabel