Optimus purred against Cliffjumper's chest in approval, rolling his shoulders into the touch. Even now, after several years as Prime, he couldnt' help but be pleased when lovers attempted to pleasure him at the same time he explored their own bodies.

He gave the minibot a pointed rev, rattling the frame under him as he curling fingertips lazily around Cliffjumper's horns once more. He wanted to give him a reason to jump, even more so than when he licked across his chest seam.

"Hmmmmm..." He could feel the gap growing, and tongued the center of it, probing for the static taste of sparkcharge leaking through.