Already delving deeply, Optimus laughed into Megatron's open mouth, the sound vibrations making their joined plating vibrate pleasantly.

::No? Come on now, can you honestly say you want me to stop?:: He teased, licking the roof of Megatron's mouth. He pulled back enough to nibble lightly at his lips, raising a brow tauntingly as they stared, optic to optic.

For a moment he did nothing, before grinding his entire frame upward, rubbing his spike against the caliper-lined walls of Megatron's valve, exposed spark chamber and cable curls pressing into his chest in offering.

...Going to have to make you forget yourself, then.