bulk up
/ˌbʌlk ˈʌp/verb
High School
1
To gain weight.
2
To increase the weight of.
3
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.
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.