Is this a reference to something? Can someone please comment if they know if this is a reference?

I'm gone from this place for half a year and literally a few seconds after I come back once, I coincidentically get this.

bruh

*Megalovania starts.

I don't use apps that look like CringeTok.

heh, heh.

Wait, what? I didn't realize I was on here for this long!

Just showing off my Yoshi stickers. How many do you guys have?

.

So, I heard people talk about this "touching grass" thing, but... What even does that mean? What is grass? Does touching involve beating Massive Moss Charger with nail only or something? Or even taking contact damage from them? (screenshot made by me)