man up

verb

manned up; manning up; mans up

intransitive verb

informal : to make an effort to deal with something (such as an obligation or a challenge) in a way that is considered strong or manly

"… You're starting a family. Man up. Time to do grown man things."

—Cassanova Womack

… man up and be honest that what you did that night was wrong.

—Lenny Rosado

Word History

First Known Use

1989, in the meaning defined above