| 1. | Bulk Up | ||
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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. |
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| 2. | bulk up | ||
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vomit - British army slang After eating the concealed pizza, I grabbed the bog and proceeded to bulk up
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