His wings actually flare, trying to flutter while they're trapped against the wall, in response to the feelings and the energy suddenly coursing through him. He tries not to cry out, holding himself back to sharp little whines, instead. But it's hard. His body jerks, hips and pelvis trying to follow those fingers when they pull away. It's not enough.

And when he's pulled in near, he's panting, gasping in need. Undone -- he bucks his hips insistently against Perceptor's, while he tries to find his voice.

"Please," he hisses. Some part of him hates the desperation in his voice, while the rest just doesn't care anymore. "Please."

His head drops, and the next words are all but whimpered against the Autobot's chest. "Please, I need you. So badly..."