buff up

phrasal verb

Definition of buff up 

: to become stronger and more muscular or to make (someone or something) stronger and more muscular through exercising and weight lifting She is buffing up for her role as a female boxer. He buffed himself up by going to the gym every day. often used as buffed-up buffed-up bodies

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Dictionary Entries near buff up

buff stop

buff-tip

buff top

buff up

buffy

bufonid

Bufonidae

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