A Romp

1. (now archaic) Someone who romps; especially, a girl or young woman who indulges in boisterous play; a tomboy. [from 17th c.]
2. A period of boisterous play, a frolic; now especially, a bout of sexual activity, especially when illicit. [from 18th c.]
3. An enjoyable, fast-paced but essentially inconsequential film, play, or other piece of entertainment. [from 19th c.]
4. (chiefly sports) A decisive victory; a game, match etc. which is won easily. [from 20th c.]