Oh fuck yes! My BICEPS are growing BIGGER. Put your dick on my BICEP and let me flex for you. Move your penis to between my bicep and forearm so I can flex again. Now push and pull your cock, in and out, FUCK my MUSCLE ARM with your COCK until you CUM. Let your penis FEEL MY POWER. your CUM will shoot over my muscles. I need your CUM now. I will rub your cum into my muscles until my skin and muscles have absorbed ALL OF YOUR CUM. Your cum will make my muscles GROW more powerful.