[ he doesn't need it spelled out for him to understand the underlying tone that comes from that. it hasn't been too long after all since he got roped into an arranged marriage by germa, abandoning his friends and completely defying luffy.

even if he's been welcomed back, having just made their escape from big mom's territory, he still carries the guilt of not only fighting their captain but in beating him down when he hasn't even put up a fight.

does zoro know what happened then? ]

I doubt Luffy's told you to go around putting that nasty tongue of yours down people's throats.

[ ugh, that's a disgusting vision to think about. ]

And he's definitely not telling you to put it down mine, so don't even think about it.