An angry growl at the accusation. Just because he's used to dealing with Leonard's nitpicky as shit moods doesn't mean he always has to like it. "Right. So I can take the hits means you're gonna keep on hitting? Cause 'm too stupid to do anything more than stand here and take it?"

Dismissal.
Only Mick knows what it's for and he charges right into his space, getting in far closer than he ever allows anyone to get to him. A shove. Hard.

"You wanna fight? Then let's fuckin do this and get it over with!"