Verb
(intransitive) To gain weight.
(transitive) To increase the weight of.
(bodybuilding) 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.
Source: en.wiktionary.orgAccording to Nnaji, he weighed in at 230 at the end of last season, but he then went to work adding 20 pounds of muscle since then to bulk up to 250 – impressively, doing so at the same time he went vegan. Source: Internet
Determined to bulk up, he bought a Bullworker bodybuilding device and worked out obsessively. Source: Internet
April 9, 2018: Kering to manage its public relations activities in the Americas, the label’s latest move to bulk up business in the region. Source: Internet
Even though she said she was hospitalized a few times due to pushing herself too hard, she said the worst part of preparing was all the food she had to eat in order to bulk up. Source: Internet
"By keeping alive some of the things that happened in the Korean War, the regime can bulk up its legitimacy and say, 'Sure it's dark, sure it's cold. Source: Internet
Bicep curls and bench presses are the staple in many a gym-goer’s upper body workout, while the smaller shoulder muscles (subscapularis, teres minor, infraspinatus, and supraspinatus) are overlooked in the mission to bulk up. Source: Internet