When an overweight man has sex with a petite woman, where it is required for the man to lift his fat in order to fornicate, inevitably covering the woman and keeping her warm during the boinking session(s).

When a man has a vibrating dildo inserted into his anus, and lies upon a woman and has anal sex with her. Thus she receives the transmissions from the dildo in the mans ass, rendering her in a state of orgasmic ecstacy.