Meaning of the word bulk-up in English

What does bulk-up mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

bulk-up

US /bʌlk/
UK /bʌlk/
1.

to make your body bigger and heavier, especially by gaining more muscle:

Example:
This season he has bulked up to 230 pounds.
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