Sekirov Dictionary

bulk up

/ˌbʌlk ˈʌp/

verb 3
bulk-up noun 1
forms 4

verb3

To gain weight.
To increase the weight of.
To train the body with a high-calorie diet and intense weightlifting in order to increase the overall mass of the body, especially the muscles.

bulk-up noun1

•
The process of bulking up.
- Muscle size (weight gain) program: A bulk-up of three to five sets of 5, gradually increasing to 10 reps at 70 to 80 percent effort […] — 2004

forms

bulked up · bulking up · bulks up · bulk-ups

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