• Definition for "bulk up"
  • Sentence for "bulk up"
    • After eating the concealed pizza, I…
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  • Urban Dictionary for "bulk up"
    • A male definition. Adding muscle mass…
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bulk up definition

  • verb:
    • To gain fat.
    • To train the body with a high-calorie diet and intense weightlifting in order to increase the general size associated with human body, particularly the muscle tissue.
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