Tarn is lucky that the his mask hides the shit eating grin that has taken over his face when Rodimus absolutely loses it. It really had no business being this easy to get under the flashy Autobot's plating. And in the end, he has in fact given Tarn exactly what he wanted.

The punch, he will admit, had more force behind it than he was expecting, knocking him just slightly toward the edge of his stool. His lip catches on the edge of his own grin, splitting it and causing his own energon to mix with the sweet taste of the engex on his tongue.

Straightening up slowly, he casts Rodimus a sort of quietly arrogant look. "Well, that was quite uncalled for. So juvenile too; name calling is for the crass and cavalier, hasn't anyone ever told you that?"