Unzan broke the branch of the pine tree while playing.

Where's your sorry, Mr. Unzan?

Hoh hoh, Nice weather, isn't it?

You're an adult, act like it.

Huh~? My ears not working so well.

Geez~ He's not acting like an old man at all.

Why not just whoop his ass?

He's an Masochist, so...

Ah, not good. That old dude getting excited.

This is the first time I know that. lit. You just said something terrible without any hesitation. The two bubbles before this were lit. "Why don't you scold him more forcibly?" and "Something like You dick-pointing-to-the-left?". Basically, Ichirin scolded Byakuren for saying improper thing as a monk. Refer to Gintama ep51 for this left-or-right-dick-bending.