Remus shuddered violently as the image of Sirius and McGonagall merged into one, complete with dresses that left absolutely nothing to the imagination. He felt like he was going to be sick. Or... something. With a soft growl, Remus smacked Sirius upside the head, muttering "Bastard" under his breath.
About to continue muttering things, the words got caught in his throat. "Teach me how to wank? I never cried, you berk. You were too anxious to get into my pants the way I remember it. Show me how indeed. Hrumph."