What does "train like a boss" mean? I keep seeing shirts that say for ex: "train muay thai like a boss"?

Like a Boss' comes from an SNL 'Digital Short' clip by Seth Rogen and Andy Samberg: youtube.com/watch?v=NisCkxU54….

The phrase "like a boss" is an internet meme (or running joke). It is usually represented by a stick figure with folded arms. The shirt is referenceing the meme where to do something "like a boss" means that you are the best at it, or accomplish it easily.

See, memebase.com.

It's an internet originated meme that comes from this song.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.