1. What you say to make things sound cooler/more exiting then it actually is, originated from the song like a boss, by the Lonley Island: “yeah, I did my homework. like a boss”

2. The act of doing something as a boss would do.

3. Used to describe something that someone did as amazing or awesome: “man, I just took that guy out like a boss!”

Here’s a “modest” way to travel like a boss: