Post-orgasm aftershock

This can refer to either: 1) The common feeling of a 'shiver' or spasm throughout the body a minute after orgasm/ejaculation, possibly due to the body reacting to the sheer amount of pleasure that was just produced. 2) The manifestation of several 'mini orgasms' after climaxing, commonly expressed through subsided moaning/breathing noises and other vocal responses indicative of pleasure. It is caused by the mind continuously reflecting on the euphoric pleasure that had just occurred, making you moan in response. Depending on the degree of pleasure, such mini orgasms can manifest for up to an hour. 3) Both of the above