Tickling games are interpersonal or social activities involving the tickling of one person by another. Some people find tickling to not only be a pleasurable experience, but also an erotic one. They may be sexually excited by being tickled or by tickling another person, some people like being tickled on their genitals, their waist, their feet, their armpits, their anus, or their breasts while others prefer to tickle and some like doing both. Some engage in tickling games as part of a social act.