buff up (English, verb)
expansion: buff up (third-person singular simple present buffs up, present participle buffing up, simple past and past participle buffed up)
Senses:
glosses: To improve.
tags: idiomatic
transitive
glosses: To shine; to make shiny.
tags: transitive
glosses: To become more muscular.
tags: idiomatic
intransitive
glosses: To study hard to learn a particular subject.
tags: idiomatic
intransitive
Forms:
form: buffs up
tags: present
singular
third-person
form: buffing up
tags: participle
present
form: buffed up
tags: participle
past
form: buffed up
tags: past