boss up
Advanced (C1)slang
To start acting like a boss — to be more confident, take control of your life, and work hard to succeed.
"After losing her job, she decided to boss up and launch her own business."
Hear it in context

CARDI B: The TRUTH Behind The End of My Relationship…
Jay Shetty Podcast · 38:24
Boss up.

TROLLING Fortnite Until I Rage Quit Offline 😂
LEGIQN · 153:31
I'm going to boss up.

Why The Devil Wears Prada 2 is a sequel that actually works
On with Kara Swisher · 14:07
And you get to see your boss up close
![Video: SIDEMEN CHARITY MATCH 2026 [OFFICIAL STREAM]](https://i.ytimg.com/vi/o3e_tlcddxc/sddefault.jpg?v=69e36ba7)
SIDEMEN CHARITY MATCH 2026 [OFFICIAL STREAM]
Sidemen · 186:40
Who's the boss up against someone with a Karen

SIDEMEN CHARITY MATCH 2026 (GOALS & HIGHLIGHTS)
Sidemen · 27:38
Who's the Boss up against someone with a Karen