macho up

English

Verb

macho up (third-person singular simple present machos up, present participle machoing up, simple past and past participle machoed up)

1. (informal) To man up; to act in a tough or assertive way.
   • 2012, Tameka L. Harvey-Cooper, No Extra Faces, page 62:

     Ezra lets me have my way, yet he knows when to macho up and say I'm wrong or to simply say no.